Optimized accuracy of CSV recordings!

83 files changed, 6029 insertions, 1302 deletions

diff --git a/Software/DB/Tango.mdf b/Software/DB/Tango.mdf
index 940076561..6234d5f4a 100644
--- a/Software/DB/Tango.mdf
+++ b/Software/DB/Tango.mdf
diff --git a/Software/DB/Tango_log.ldf b/Software/DB/Tango_log.ldf
index 74ab6eb3d..cbf5e29b8 100644
--- a/Software/DB/Tango_log.ldf
+++ b/Software/DB/Tango_log.ldf
diff --git a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/Models/MultiTechRecordingData.cs b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/Models/MultiTechRecordingData.cs
index ad3ea1352..c6fe67ed6 100644
--- a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/Models/MultiTechRecordingData.cs
+++ b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/Models/MultiTechRecordingData.cs
@@ -21,10 +21,9 @@ namespace Tango.MachineStudio.Technician.Models
             Init();
         }
 
-        public void PushData(List<List<double>> data)
+        public void PushData(List<List<double>> data, TimeSpan deltabase, TimeSpan delta)
         {
-            TimeSpan delta_base = DateTime.Now - _start_time;
-            double delta_mili = (DateTime.Now - _last_time).TotalMilliseconds;
+            double delta_mili = delta.TotalMilliseconds;
 
             _last_time = DateTime.Now;
 
@@ -37,7 +36,7 @@ namespace Tango.MachineStudio.Technician.Models
 
                     for (int row = 0; row < height; row++)
                     {
-                        String time = (delta_base.Add(TimeSpan.FromMilliseconds((delta_mili / data.Count) * row))).ToString(@"hh\:mm\:ss\.fff");
+                        String time = (deltabase.Add(TimeSpan.FromMilliseconds((delta_mili / data.Count) * row))).ToString(@"hh\:mm\:ss\.fff");
 
                         List<double> row_values = new List<double>();
 
@@ -52,6 +51,13 @@ namespace Tango.MachineStudio.Technician.Models
             });
         }
 
+        public void PushData(List<List<double>> data)
+        {
+            TimeSpan delta_base = DateTime.Now - _start_time;
+            TimeSpan delta = (DateTime.Now - _last_time);
+            PushData(data, delta_base, delta);
+        }
+
         protected override List<string> GetColumnNames()
         {
             return Enumerable.Range(1, ChannelCount).Select(x => Name + " " + x).ToList();
diff --git a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/Models/SingleTechRecordingData.cs b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/Models/SingleTechRecordingData.cs
index 8b480bbf3..56691504b 100644
--- a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/Models/SingleTechRecordingData.cs
+++ b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/Models/SingleTechRecordingData.cs
@@ -14,10 +14,9 @@ namespace Tango.MachineStudio.Technician.Models
             Init();
         }
 
-        public void PushData(List<double> data)
+        public void PushData(List<double> data, TimeSpan deltabase, TimeSpan delta)
         {
-            TimeSpan delta_base = DateTime.Now - _start_time;
-            double delta_mili = (DateTime.Now - _last_time).TotalMilliseconds;
+            double delta_mili = delta.TotalMilliseconds;
 
             _last_time = DateTime.Now;
 
@@ -27,12 +26,19 @@ namespace Tango.MachineStudio.Technician.Models
                 {
                     for (int i = 0; i < data.Count; i++)
                     {
-                        CsvFile.Append(new SingleTechRecordingValue((delta_base.Add(TimeSpan.FromMilliseconds((delta_mili / data.Count) * i))).ToString(@"hh\:mm\:ss\.fff"), data[i]));
+                        CsvFile.Append(new SingleTechRecordingValue((deltabase.Add(TimeSpan.FromMilliseconds((delta_mili / data.Count) * i))).ToString(@"hh\:mm\:ss\.fff"), data[i]));
                     }
                 }
             });
         }
 
+        public void PushData(List<double> data)
+        {
+            TimeSpan delta_base = DateTime.Now - _start_time;
+            double delta_mili = (DateTime.Now - _last_time).TotalMilliseconds;
+            PushData(data, delta_base, DateTime.Now - _last_time);
+        }
+
         protected override List<string> GetColumnNames()
         {
             return new List<string>() { Name };
diff --git a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/ViewModels/MachineTechViewVM.cs b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/ViewModels/MachineTechViewVM.cs
index 85b32437b..605ab8105 100644
--- a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/ViewModels/MachineTechViewVM.cs
+++ b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Technician/ViewModels/MachineTechViewVM.cs
@@ -398,7 +398,8 @@ namespace Tango.MachineStudio.Technician.ViewModels
         private void PopulateDiagnosticsData(StartDiagnosticsResponse data)
         {
             TimeSpan delta_base = DateTime.Now - _start_time;
-            double delta_mili = (DateTime.Now - _last_time).TotalMilliseconds;
+            TimeSpan delta = (DateTime.Now - _last_time);
+            double delta_mili = delta.TotalMilliseconds;
             _last_time = DateTime.Now;
 
             if (DateTime.Now > _lastDiagnosticsResponseUpdate.AddMilliseconds(MIN_DIAGNOSTICS_UPDATE_MILI))
@@ -417,7 +418,7 @@ namespace Tango.MachineStudio.Technician.ViewModels
                 if (prop != null)
                 {
                     var points = GetDataArray(techMonitor, prop.GetValue(data.Monitors));
-                    sr.PushData(points);
+                    sr.PushData(points, delta_base, delta);
                 }
             }
 
@@ -430,7 +431,7 @@ namespace Tango.MachineStudio.Technician.ViewModels
                 if (prop != null)
                 {
                     var points = GetDataMatrix(techMonitor, prop.GetValue(data.Monitors));
-                    mr.PushData(points);
+                    mr.PushData(points, delta_base, delta);
                 }
             }
 
@@ -495,7 +496,7 @@ namespace Tango.MachineStudio.Technician.ViewModels
                                 var _graph_recording = _single_graphs_recordings.SingleOrDefault(x => x.Tag == graphItem);
                                 if (_graph_recording != null)
                                 {
-                                    _graph_recording.PushData(points);
+                                    _graph_recording.PushData(points, delta_base, delta);
                                 }
                             }
                         }
@@ -537,7 +538,7 @@ namespace Tango.MachineStudio.Technician.ViewModels
                                 var _graph_recording = _multi_graph_recordings.SingleOrDefault(x => x.Tag == graphItem);
                                 if (_graph_recording != null)
                                 {
-                                    _graph_recording.PushData(points);
+                                    _graph_recording.PushData(points, delta_base, delta);
                                 }
                             }
                         }
@@ -1125,11 +1126,11 @@ namespace Tango.MachineStudio.Technician.ViewModels
                     {
                         if (!monitor.MultiChannel)
                         {
-                            _single_monitors_recordings.Add(new SingleTechRecordingData(monitor.Name, dlg.FileName + "\\" + monitor.Description + ".csv") { Tag = monitor });
+                            _single_monitors_recordings.Add(new SingleTechRecordingData(monitor.Description, dlg.FileName + "\\" + monitor.Description + ".csv") { Tag = monitor });
                         }
                         else
                         {
-                            _multi_monitors_recordings.Add(new MultiTechRecordingData(monitor.Name, monitor.ChannelCount, dlg.FileName + "\\" + monitor.Description + ".csv") { Tag = monitor });
+                            _multi_monitors_recordings.Add(new MultiTechRecordingData(monitor.Description, monitor.ChannelCount, dlg.FileName + "\\" + monitor.Description + ".csv") { Tag = monitor });
                         }
                         item.StartRecording();
                     }
@@ -1280,19 +1281,19 @@ namespace Tango.MachineStudio.Technician.ViewModels
                             item.HomingMaximumProgress = response.MaxProgress;
                             item.HomingProgress = response.Progress;
 
-                        },(ex) => 
-                        {
+                        }, (ex) =>
+                         {
 
-                            item.IsHoming = false;
-                            item.IsHomingCompleted = true;
+                             item.IsHoming = false;
+                             item.IsHomingCompleted = true;
 
-                        }, () =>
-                        {
+                         }, () =>
+                         {
 
-                            item.IsHoming = false;
-                            item.IsHomingCompleted = true;
+                             item.IsHoming = false;
+                             item.IsHomingCompleted = true;
 
-                        });
+                         });
                     }
                     else if (action == MotorActionType.HomingStopped)
                     {
diff --git a/Software/Visual_Studio/Tango.BL/Entities/ActionType.cs b/Software/Visual_Studio/Tango.BL/Entities/ActionType.cs
index 5c5dacfa0..a8b008306 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/ActionType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/ActionType.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class ActionType : ObservableEntity<ActionType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<EventTypesAction>> EventTypesActionsChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +50,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<EventTypesAction> _eventtypesactions;
@@ -106,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtypesactions = value; RaisePropertyChanged(nameof(EventTypesActions)); 
-            }
+                if (_eventtypesactions != value)
+                {
+                    _eventtypesactions = value;
 
+                    EventTypesActionsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(EventTypesActions)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Address.cs b/Software/Visual_Studio/Tango.BL/Entities/Address.cs
index c6c609343..1f5f5edcb 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Address.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Address.cs
@@ -25,6 +25,26 @@ namespace Tango.BL.Entities
     public partial class Address : ObservableEntity<Address>
     {
 
+        public event EventHandler<Boolean> DeletedChanged;
+
+        public event EventHandler<String> AddressStringChanged;
+
+        public event EventHandler<String> LocalityChanged;
+
+        public event EventHandler<String> CountryChanged;
+
+        public event EventHandler<String> CityChanged;
+
+        public event EventHandler<String> StateChanged;
+
+        public event EventHandler<String> CountryCodeChanged;
+
+        public event EventHandler<String> PostalCodeChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Organization>> OrganizationsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<User>> UsersChanged;
+
         protected Boolean _deleted;
 
         /// <summary>
@@ -42,9 +62,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _deleted = value; RaisePropertyChanged(nameof(Deleted)); 
-            }
+                if (_deleted != value)
+                {
+                    _deleted = value;
+
+                    DeletedChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Deleted)); 
+                }
+            }
         }
 
         protected String _addressstring;
@@ -64,9 +90,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _addressstring = value; RaisePropertyChanged(nameof(AddressString)); 
-            }
+                if (_addressstring != value)
+                {
+                    _addressstring = value;
+
+                    AddressStringChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(AddressString)); 
+                }
+            }
         }
 
         protected String _locality;
@@ -86,9 +118,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _locality = value; RaisePropertyChanged(nameof(Locality)); 
-            }
+                if (_locality != value)
+                {
+                    _locality = value;
+
+                    LocalityChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Locality)); 
+                }
+            }
         }
 
         protected String _country;
@@ -108,9 +146,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _country = value; RaisePropertyChanged(nameof(Country)); 
-            }
+                if (_country != value)
+                {
+                    _country = value;
 
+                    CountryChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Country)); 
+                }
+            }
         }
 
         protected String _city;
@@ -130,9 +174,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _city = value; RaisePropertyChanged(nameof(City)); 
-            }
+                if (_city != value)
+                {
+                    _city = value;
 
+                    CityChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(City)); 
+                }
+            }
         }
 
         protected String _state;
@@ -152,9 +202,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _state = value; RaisePropertyChanged(nameof(State)); 
-            }
+                if (_state != value)
+                {
+                    _state = value;
+
+                    StateChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(State)); 
+                }
+            }
         }
 
         protected String _countrycode;
@@ -174,9 +230,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _countrycode = value; RaisePropertyChanged(nameof(CountryCode)); 
-            }
+                if (_countrycode != value)
+                {
+                    _countrycode = value;
+
+                    CountryCodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(CountryCode)); 
+                }
+            }
         }
 
         protected String _postalcode;
@@ -196,9 +258,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _postalcode = value; RaisePropertyChanged(nameof(PostalCode)); 
-            }
+                if (_postalcode != value)
+                {
+                    _postalcode = value;
+
+                    PostalCodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(PostalCode)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Organization> _organizations;
@@ -216,9 +284,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _organizations = value; RaisePropertyChanged(nameof(Organizations)); 
-            }
+                if (_organizations != value)
+                {
+                    _organizations = value;
 
+                    OrganizationsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Organizations)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<User> _users;
@@ -236,9 +310,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _users = value; RaisePropertyChanged(nameof(Users)); 
-            }
+                if (_users != value)
+                {
+                    _users = value;
 
+                    UsersChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Users)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/ApplicationDisplayPanelVersion.cs b/Software/Visual_Studio/Tango.BL/Entities/ApplicationDisplayPanelVersion.cs
index de728349f..54121e8a2 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/ApplicationDisplayPanelVersion.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/ApplicationDisplayPanelVersion.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class ApplicationDisplayPanelVersion : ObservableEntity<ApplicationDisplayPanelVersion>
     {
 
+        public event EventHandler<Double> VersionChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Configuration>> ConfigurationsChanged;
+
         protected Double _version;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _version = value; RaisePropertyChanged(nameof(Version)); 
-            }
+                if (_version != value)
+                {
+                    _version = value;
+
+                    VersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Version)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Configuration> _configurations;
@@ -84,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _configurations = value; RaisePropertyChanged(nameof(Configurations)); 
-            }
+                if (_configurations != value)
+                {
+                    _configurations = value;
+
+                    ConfigurationsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Configurations)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/ApplicationFirmwareVersion.cs b/Software/Visual_Studio/Tango.BL/Entities/ApplicationFirmwareVersion.cs
index 3de81ba46..67dcd012e 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/ApplicationFirmwareVersion.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/ApplicationFirmwareVersion.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class ApplicationFirmwareVersion : ObservableEntity<ApplicationFirmwareVersion>
     {
 
+        public event EventHandler<Double> VersionChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Configuration>> ConfigurationsChanged;
+
         protected Double _version;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _version = value; RaisePropertyChanged(nameof(Version)); 
-            }
+                if (_version != value)
+                {
+                    _version = value;
+
+                    VersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Version)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Configuration> _configurations;
@@ -84,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _configurations = value; RaisePropertyChanged(nameof(Configurations)); 
-            }
+                if (_configurations != value)
+                {
+                    _configurations = value;
+
+                    ConfigurationsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Configurations)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/ApplicationOsVersion.cs b/Software/Visual_Studio/Tango.BL/Entities/ApplicationOsVersion.cs
index 2606978d9..2e3e9190d 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/ApplicationOsVersion.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/ApplicationOsVersion.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class ApplicationOsVersion : ObservableEntity<ApplicationOsVersion>
     {
 
+        public event EventHandler<Double> VersionChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Configuration>> ConfigurationsChanged;
+
         protected Double _version;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _version = value; RaisePropertyChanged(nameof(Version)); 
-            }
+                if (_version != value)
+                {
+                    _version = value;
+
+                    VersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Version)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Configuration> _configurations;
@@ -84,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _configurations = value; RaisePropertyChanged(nameof(Configurations)); 
-            }
+                if (_configurations != value)
+                {
+                    _configurations = value;
+
+                    ConfigurationsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Configurations)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/BrushStop.cs b/Software/Visual_Studio/Tango.BL/Entities/BrushStop.cs
index 682ce1f7a..67e846aba 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/BrushStop.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/BrushStop.cs
@@ -25,6 +25,72 @@ namespace Tango.BL.Entities
     public partial class BrushStop : ObservableEntity<BrushStop>
     {
 
+        public event EventHandler<Double> OffsetPercentChanged;
+
+        public event EventHandler<Int32> StopIndexChanged;
+
+        public event EventHandler<Double> CyanChanged;
+
+        public event EventHandler<Double> MagentaChanged;
+
+        public event EventHandler<Double> YellowChanged;
+
+        public event EventHandler<Double> BlackChanged;
+
+        public event EventHandler<Int32> RedChanged;
+
+        public event EventHandler<Int32> GreenChanged;
+
+        public event EventHandler<Int32> BlueChanged;
+
+        public event EventHandler<Double> LChanged;
+
+        public event EventHandler<Double> AChanged;
+
+        public event EventHandler<Double> BChanged;
+
+        public event EventHandler<Double> V0Changed;
+
+        public event EventHandler<Int32> V0DivChanged;
+
+        public event EventHandler<Double> V1Changed;
+
+        public event EventHandler<Int32> V1DivChanged;
+
+        public event EventHandler<Double> V2Changed;
+
+        public event EventHandler<Int32> V2DivChanged;
+
+        public event EventHandler<Double> V3Changed;
+
+        public event EventHandler<Int32> V3DivChanged;
+
+        public event EventHandler<Double> V4Changed;
+
+        public event EventHandler<Int32> V4DivChanged;
+
+        public event EventHandler<Double> V5Changed;
+
+        public event EventHandler<Int32> V5DivChanged;
+
+        public event EventHandler<Double> V6Changed;
+
+        public event EventHandler<Int32> V6DivChanged;
+
+        public event EventHandler<Double> V7Changed;
+
+        public event EventHandler<Int32> V7DivChanged;
+
+        public event EventHandler<Boolean> CorrectedChanged;
+
+        public event EventHandler<Int32> ColorCatalogCodeChanged;
+
+        public event EventHandler<ColorCatalog> ColorCatalogChanged;
+
+        public event EventHandler<ColorSpace> ColorSpaceChanged;
+
+        public event EventHandler<Segment> SegmentChanged;
+
         protected String _segmentguid;
 
         /// <summary>
@@ -43,9 +109,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _segmentguid = value; RaisePropertyChanged(nameof(SegmentGuid)); 
+                if (_segmentguid != value)
+                {
+                    _segmentguid = value;
+                    RaisePropertyChanged(nameof(SegmentGuid)); 
+                }
             }
-
         }
 
         protected String _colorspaceguid;
@@ -66,9 +135,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _colorspaceguid = value; RaisePropertyChanged(nameof(ColorSpaceGuid)); 
+                if (_colorspaceguid != value)
+                {
+                    _colorspaceguid = value;
+                    RaisePropertyChanged(nameof(ColorSpaceGuid)); 
+                }
             }
-
         }
 
         protected Double _offsetpercent;
@@ -88,9 +160,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _offsetpercent = value; RaisePropertyChanged(nameof(OffsetPercent)); 
-            }
+                if (_offsetpercent != value)
+                {
+                    _offsetpercent = value;
+
+                    OffsetPercentChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(OffsetPercent)); 
+                }
+            }
         }
 
         protected Int32 _stopindex;
@@ -110,9 +188,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _stopindex = value; RaisePropertyChanged(nameof(StopIndex)); 
-            }
+                if (_stopindex != value)
+                {
+                    _stopindex = value;
 
+                    StopIndexChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(StopIndex)); 
+                }
+            }
         }
 
         protected Double _cyan;
@@ -132,9 +216,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _cyan = value; RaisePropertyChanged(nameof(Cyan)); 
-            }
+                if (_cyan != value)
+                {
+                    _cyan = value;
+
+                    CyanChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Cyan)); 
+                }
+            }
         }
 
         protected Double _magenta;
@@ -154,9 +244,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _magenta = value; RaisePropertyChanged(nameof(Magenta)); 
-            }
+                if (_magenta != value)
+                {
+                    _magenta = value;
 
+                    MagentaChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Magenta)); 
+                }
+            }
         }
 
         protected Double _yellow;
@@ -176,9 +272,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _yellow = value; RaisePropertyChanged(nameof(Yellow)); 
-            }
+                if (_yellow != value)
+                {
+                    _yellow = value;
+
+                    YellowChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Yellow)); 
+                }
+            }
         }
 
         protected Double _black;
@@ -198,9 +300,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _black = value; RaisePropertyChanged(nameof(Black)); 
-            }
+                if (_black != value)
+                {
+                    _black = value;
 
+                    BlackChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Black)); 
+                }
+            }
         }
 
         protected Int32 _red;
@@ -220,9 +328,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _red = value; RaisePropertyChanged(nameof(Red)); 
-            }
+                if (_red != value)
+                {
+                    _red = value;
 
+                    RedChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Red)); 
+                }
+            }
         }
 
         protected Int32 _green;
@@ -242,9 +356,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _green = value; RaisePropertyChanged(nameof(Green)); 
-            }
+                if (_green != value)
+                {
+                    _green = value;
+
+                    GreenChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Green)); 
+                }
+            }
         }
 
         protected Int32 _blue;
@@ -264,9 +384,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _blue = value; RaisePropertyChanged(nameof(Blue)); 
-            }
+                if (_blue != value)
+                {
+                    _blue = value;
 
+                    BlueChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Blue)); 
+                }
+            }
         }
 
         protected Double _l;
@@ -286,9 +412,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _l = value; RaisePropertyChanged(nameof(L)); 
-            }
+                if (_l != value)
+                {
+                    _l = value;
+
+                    LChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(L)); 
+                }
+            }
         }
 
         protected Double _a;
@@ -308,9 +440,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _a = value; RaisePropertyChanged(nameof(A)); 
-            }
+                if (_a != value)
+                {
+                    _a = value;
 
+                    AChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(A)); 
+                }
+            }
         }
 
         protected Double _b;
@@ -330,9 +468,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _b = value; RaisePropertyChanged(nameof(B)); 
-            }
+                if (_b != value)
+                {
+                    _b = value;
+
+                    BChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(B)); 
+                }
+            }
         }
 
         protected Double _v0;
@@ -352,9 +496,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v0 = value; RaisePropertyChanged(nameof(V0)); 
-            }
+                if (_v0 != value)
+                {
+                    _v0 = value;
+
+                    V0Changed?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(V0)); 
+                }
+            }
         }
 
         protected Int32 _v0div;
@@ -374,9 +524,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v0div = value; RaisePropertyChanged(nameof(V0Div)); 
-            }
+                if (_v0div != value)
+                {
+                    _v0div = value;
 
+                    V0DivChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V0Div)); 
+                }
+            }
         }
 
         protected Double _v1;
@@ -396,9 +552,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v1 = value; RaisePropertyChanged(nameof(V1)); 
-            }
+                if (_v1 != value)
+                {
+                    _v1 = value;
+
+                    V1Changed?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(V1)); 
+                }
+            }
         }
 
         protected Int32 _v1div;
@@ -418,9 +580,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v1div = value; RaisePropertyChanged(nameof(V1Div)); 
-            }
+                if (_v1div != value)
+                {
+                    _v1div = value;
 
+                    V1DivChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V1Div)); 
+                }
+            }
         }
 
         protected Double _v2;
@@ -440,9 +608,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v2 = value; RaisePropertyChanged(nameof(V2)); 
-            }
+                if (_v2 != value)
+                {
+                    _v2 = value;
+
+                    V2Changed?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(V2)); 
+                }
+            }
         }
 
         protected Int32 _v2div;
@@ -462,9 +636,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v2div = value; RaisePropertyChanged(nameof(V2Div)); 
-            }
+                if (_v2div != value)
+                {
+                    _v2div = value;
+
+                    V2DivChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(V2Div)); 
+                }
+            }
         }
 
         protected Double _v3;
@@ -484,9 +664,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v3 = value; RaisePropertyChanged(nameof(V3)); 
-            }
+                if (_v3 != value)
+                {
+                    _v3 = value;
 
+                    V3Changed?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V3)); 
+                }
+            }
         }
 
         protected Int32 _v3div;
@@ -506,9 +692,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v3div = value; RaisePropertyChanged(nameof(V3Div)); 
-            }
+                if (_v3div != value)
+                {
+                    _v3div = value;
+
+                    V3DivChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(V3Div)); 
+                }
+            }
         }
 
         protected Double _v4;
@@ -528,9 +720,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v4 = value; RaisePropertyChanged(nameof(V4)); 
-            }
+                if (_v4 != value)
+                {
+                    _v4 = value;
 
+                    V4Changed?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V4)); 
+                }
+            }
         }
 
         protected Int32 _v4div;
@@ -550,9 +748,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v4div = value; RaisePropertyChanged(nameof(V4Div)); 
-            }
+                if (_v4div != value)
+                {
+                    _v4div = value;
+
+                    V4DivChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(V4Div)); 
+                }
+            }
         }
 
         protected Double _v5;
@@ -572,9 +776,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v5 = value; RaisePropertyChanged(nameof(V5)); 
-            }
+                if (_v5 != value)
+                {
+                    _v5 = value;
 
+                    V5Changed?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V5)); 
+                }
+            }
         }
 
         protected Int32 _v5div;
@@ -594,9 +804,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v5div = value; RaisePropertyChanged(nameof(V5Div)); 
-            }
+                if (_v5div != value)
+                {
+                    _v5div = value;
 
+                    V5DivChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V5Div)); 
+                }
+            }
         }
 
         protected Double _v6;
@@ -616,9 +832,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v6 = value; RaisePropertyChanged(nameof(V6)); 
-            }
+                if (_v6 != value)
+                {
+                    _v6 = value;
+
+                    V6Changed?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(V6)); 
+                }
+            }
         }
 
         protected Int32 _v6div;
@@ -638,9 +860,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v6div = value; RaisePropertyChanged(nameof(V6Div)); 
-            }
+                if (_v6div != value)
+                {
+                    _v6div = value;
 
+                    V6DivChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V6Div)); 
+                }
+            }
         }
 
         protected Double _v7;
@@ -660,9 +888,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v7 = value; RaisePropertyChanged(nameof(V7)); 
-            }
+                if (_v7 != value)
+                {
+                    _v7 = value;
+
+                    V7Changed?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(V7)); 
+                }
+            }
         }
 
         protected Int32 _v7div;
@@ -682,9 +916,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v7div = value; RaisePropertyChanged(nameof(V7Div)); 
-            }
+                if (_v7div != value)
+                {
+                    _v7div = value;
 
+                    V7DivChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V7Div)); 
+                }
+            }
         }
 
         protected Boolean _corrected;
@@ -704,9 +944,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _corrected = value; RaisePropertyChanged(nameof(Corrected)); 
-            }
+                if (_corrected != value)
+                {
+                    _corrected = value;
+
+                    CorrectedChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Corrected)); 
+                }
+            }
         }
 
         protected String _colorcatalogguid;
@@ -727,9 +973,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _colorcatalogguid = value; RaisePropertyChanged(nameof(ColorCatalogGuid)); 
+                if (_colorcatalogguid != value)
+                {
+                    _colorcatalogguid = value;
+                    RaisePropertyChanged(nameof(ColorCatalogGuid)); 
+                }
             }
-
         }
 
         protected Int32 _colorcatalogcode;
@@ -749,9 +998,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _colorcatalogcode = value; RaisePropertyChanged(nameof(ColorCatalogCode)); 
-            }
+                if (_colorcatalogcode != value)
+                {
+                    _colorcatalogcode = value;
+
+                    ColorCatalogCodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ColorCatalogCode)); 
+                }
+            }
         }
 
         protected ColorCatalog _colorcatalog;
@@ -771,9 +1026,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _colorcatalog = value; RaisePropertyChanged(nameof(ColorCatalog)); 
-            }
+                if (_colorcatalog != value)
+                {
+                    _colorcatalog = value;
 
+                    ColorCatalogChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ColorCatalog)); 
+                }
+            }
         }
 
         protected ColorSpace _colorspace;
@@ -793,9 +1054,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _colorspace = value; RaisePropertyChanged(nameof(ColorSpace)); 
-            }
+                if (_colorspace != value)
+                {
+                    _colorspace = value;
+
+                    ColorSpaceChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ColorSpace)); 
+                }
+            }
         }
 
         protected Segment _segment;
@@ -815,9 +1082,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _segment = value; RaisePropertyChanged(nameof(Segment)); 
-            }
+                if (_segment != value)
+                {
+                    _segment = value;
 
+                    SegmentChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Segment)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/CartridgeType.cs b/Software/Visual_Studio/Tango.BL/Entities/CartridgeType.cs
index e8e184b89..bc5a3e909 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/CartridgeType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/CartridgeType.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class CartridgeType : ObservableEntity<CartridgeType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<IdsPack>> IdsPacksChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<IdsPack> _idspacks;
@@ -84,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _idspacks = value; RaisePropertyChanged(nameof(IdsPacks)); 
-            }
+                if (_idspacks != value)
+                {
+                    _idspacks = value;
+
+                    IdsPacksChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(IdsPacks)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Cat.cs b/Software/Visual_Studio/Tango.BL/Entities/Cat.cs
index adfd49698..389910549 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Cat.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Cat.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class Cat : ObservableEntity<Cat>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Byte[]> DataChanged;
+
+        public event EventHandler<LiquidType> LiquidTypeChanged;
+
+        public event EventHandler<Machine> MachineChanged;
+
+        public event EventHandler<Rml> RmlChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +52,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _machineguid;
@@ -65,9 +81,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machineguid = value; RaisePropertyChanged(nameof(MachineGuid)); 
+                if (_machineguid != value)
+                {
+                    _machineguid = value;
+                    RaisePropertyChanged(nameof(MachineGuid)); 
+                }
             }
-
         }
 
         protected String _rmlguid;
@@ -88,9 +107,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rmlguid = value; RaisePropertyChanged(nameof(RmlGuid)); 
+                if (_rmlguid != value)
+                {
+                    _rmlguid = value;
+                    RaisePropertyChanged(nameof(RmlGuid)); 
+                }
             }
-
         }
 
         protected String _liquidtypeguid;
@@ -111,9 +133,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _liquidtypeguid = value; RaisePropertyChanged(nameof(LiquidTypeGuid)); 
+                if (_liquidtypeguid != value)
+                {
+                    _liquidtypeguid = value;
+                    RaisePropertyChanged(nameof(LiquidTypeGuid)); 
+                }
             }
-
         }
 
         protected Byte[] _data;
@@ -133,9 +158,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _data = value; RaisePropertyChanged(nameof(Data)); 
-            }
+                if (_data != value)
+                {
+                    _data = value;
 
+                    DataChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Data)); 
+                }
+            }
         }
 
         protected LiquidType _liquidtype;
@@ -155,9 +186,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _liquidtype = value; RaisePropertyChanged(nameof(LiquidType)); 
-            }
+                if (_liquidtype != value)
+                {
+                    _liquidtype = value;
 
+                    LiquidTypeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(LiquidType)); 
+                }
+            }
         }
 
         protected Machine _machine;
@@ -177,9 +214,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machine = value; RaisePropertyChanged(nameof(Machine)); 
-            }
+                if (_machine != value)
+                {
+                    _machine = value;
 
+                    MachineChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Machine)); 
+                }
+            }
         }
 
         protected Rml _rml;
@@ -199,9 +242,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rml = value; RaisePropertyChanged(nameof(Rml)); 
-            }
+                if (_rml != value)
+                {
+                    _rml = value;
 
+                    RmlChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Rml)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Cct.cs b/Software/Visual_Studio/Tango.BL/Entities/Cct.cs
index 936938022..339f334a5 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Cct.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Cct.cs
@@ -25,6 +25,22 @@ namespace Tango.BL.Entities
     public partial class Cct : ObservableEntity<Cct>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<String> ForwardFileNameChanged;
+
+        public event EventHandler<String> InverseFileNameChanged;
+
+        public event EventHandler<Byte[]> ForwardDataChanged;
+
+        public event EventHandler<Byte[]> InverseDataChanged;
+
+        public event EventHandler<Double> VersionChanged;
+
+        public event EventHandler<Rml> RmlChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +58,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -64,9 +86,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected String _forwardfilename;
@@ -86,9 +114,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _forwardfilename = value; RaisePropertyChanged(nameof(ForwardFileName)); 
-            }
+                if (_forwardfilename != value)
+                {
+                    _forwardfilename = value;
 
+                    ForwardFileNameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ForwardFileName)); 
+                }
+            }
         }
 
         protected String _inversefilename;
@@ -108,9 +142,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _inversefilename = value; RaisePropertyChanged(nameof(InverseFileName)); 
-            }
+                if (_inversefilename != value)
+                {
+                    _inversefilename = value;
+
+                    InverseFileNameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(InverseFileName)); 
+                }
+            }
         }
 
         protected Byte[] _forwarddata;
@@ -130,9 +170,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _forwarddata = value; RaisePropertyChanged(nameof(ForwardData)); 
-            }
+                if (_forwarddata != value)
+                {
+                    _forwarddata = value;
 
+                    ForwardDataChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ForwardData)); 
+                }
+            }
         }
 
         protected Byte[] _inversedata;
@@ -152,9 +198,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _inversedata = value; RaisePropertyChanged(nameof(InverseData)); 
-            }
+                if (_inversedata != value)
+                {
+                    _inversedata = value;
+
+                    InverseDataChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(InverseData)); 
+                }
+            }
         }
 
         protected Double _version;
@@ -174,9 +226,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _version = value; RaisePropertyChanged(nameof(Version)); 
-            }
+                if (_version != value)
+                {
+                    _version = value;
 
+                    VersionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Version)); 
+                }
+            }
         }
 
         protected String _rmlguid;
@@ -197,9 +255,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rmlguid = value; RaisePropertyChanged(nameof(RmlGuid)); 
+                if (_rmlguid != value)
+                {
+                    _rmlguid = value;
+                    RaisePropertyChanged(nameof(RmlGuid)); 
+                }
             }
-
         }
 
         protected Rml _rml;
@@ -219,9 +280,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rml = value; RaisePropertyChanged(nameof(Rml)); 
-            }
+                if (_rml != value)
+                {
+                    _rml = value;
 
+                    RmlChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Rml)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/ColorCatalog.cs b/Software/Visual_Studio/Tango.BL/Entities/ColorCatalog.cs
index 79f1e5d47..6d14b77e0 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/ColorCatalog.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/ColorCatalog.cs
@@ -25,6 +25,52 @@ namespace Tango.BL.Entities
     public partial class ColorCatalog : ObservableEntity<ColorCatalog>
     {
 
+        public event EventHandler<Int32> ColorCodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> ColorGroupChanged;
+
+        public event EventHandler<Double> CyanChanged;
+
+        public event EventHandler<Double> MagentaChanged;
+
+        public event EventHandler<Double> YellowChanged;
+
+        public event EventHandler<Double> BlackChanged;
+
+        public event EventHandler<Int32> RedChanged;
+
+        public event EventHandler<Int32> GreenChanged;
+
+        public event EventHandler<Int32> BlueChanged;
+
+        public event EventHandler<Double> LChanged;
+
+        public event EventHandler<Double> AChanged;
+
+        public event EventHandler<Double> BChanged;
+
+        public event EventHandler<Double> V0Changed;
+
+        public event EventHandler<Double> V1Changed;
+
+        public event EventHandler<Double> V2Changed;
+
+        public event EventHandler<Double> V3Changed;
+
+        public event EventHandler<Double> V4Changed;
+
+        public event EventHandler<Double> V5Changed;
+
+        public event EventHandler<Double> V6Changed;
+
+        public event EventHandler<Double> V7Changed;
+
+        public event EventHandler<SynchronizedObservableCollection<BrushStop>> BrushStopsChanged;
+
+        public event EventHandler<ColorSpace> ColorSpaceChanged;
+
         protected String _colorspaceguid;
 
         /// <summary>
@@ -43,9 +89,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _colorspaceguid = value; RaisePropertyChanged(nameof(ColorSpaceGuid)); 
+                if (_colorspaceguid != value)
+                {
+                    _colorspaceguid = value;
+                    RaisePropertyChanged(nameof(ColorSpaceGuid)); 
+                }
             }
-
         }
 
         protected Int32 _colorcode;
@@ -65,9 +114,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _colorcode = value; RaisePropertyChanged(nameof(ColorCode)); 
-            }
+                if (_colorcode != value)
+                {
+                    _colorcode = value;
+
+                    ColorCodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ColorCode)); 
+                }
+            }
         }
 
         protected String _name;
@@ -87,9 +142,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _colorgroup;
@@ -109,9 +170,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _colorgroup = value; RaisePropertyChanged(nameof(ColorGroup)); 
-            }
+                if (_colorgroup != value)
+                {
+                    _colorgroup = value;
+
+                    ColorGroupChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ColorGroup)); 
+                }
+            }
         }
 
         protected Double _cyan;
@@ -131,9 +198,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _cyan = value; RaisePropertyChanged(nameof(Cyan)); 
-            }
+                if (_cyan != value)
+                {
+                    _cyan = value;
+
+                    CyanChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Cyan)); 
+                }
+            }
         }
 
         protected Double _magenta;
@@ -153,9 +226,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _magenta = value; RaisePropertyChanged(nameof(Magenta)); 
-            }
+                if (_magenta != value)
+                {
+                    _magenta = value;
+
+                    MagentaChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Magenta)); 
+                }
+            }
         }
 
         protected Double _yellow;
@@ -175,9 +254,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _yellow = value; RaisePropertyChanged(nameof(Yellow)); 
-            }
+                if (_yellow != value)
+                {
+                    _yellow = value;
+
+                    YellowChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Yellow)); 
+                }
+            }
         }
 
         protected Double _black;
@@ -197,9 +282,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _black = value; RaisePropertyChanged(nameof(Black)); 
-            }
+                if (_black != value)
+                {
+                    _black = value;
+
+                    BlackChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Black)); 
+                }
+            }
         }
 
         protected Int32 _red;
@@ -219,9 +310,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _red = value; RaisePropertyChanged(nameof(Red)); 
-            }
+                if (_red != value)
+                {
+                    _red = value;
+
+                    RedChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Red)); 
+                }
+            }
         }
 
         protected Int32 _green;
@@ -241,9 +338,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _green = value; RaisePropertyChanged(nameof(Green)); 
-            }
+                if (_green != value)
+                {
+                    _green = value;
+
+                    GreenChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Green)); 
+                }
+            }
         }
 
         protected Int32 _blue;
@@ -263,9 +366,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _blue = value; RaisePropertyChanged(nameof(Blue)); 
-            }
+                if (_blue != value)
+                {
+                    _blue = value;
+
+                    BlueChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Blue)); 
+                }
+            }
         }
 
         protected Double _l;
@@ -285,9 +394,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _l = value; RaisePropertyChanged(nameof(L)); 
-            }
+                if (_l != value)
+                {
+                    _l = value;
+
+                    LChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(L)); 
+                }
+            }
         }
 
         protected Double _a;
@@ -307,9 +422,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _a = value; RaisePropertyChanged(nameof(A)); 
-            }
+                if (_a != value)
+                {
+                    _a = value;
+
+                    AChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(A)); 
+                }
+            }
         }
 
         protected Double _b;
@@ -329,9 +450,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _b = value; RaisePropertyChanged(nameof(B)); 
-            }
+                if (_b != value)
+                {
+                    _b = value;
+
+                    BChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(B)); 
+                }
+            }
         }
 
         protected Double _v0;
@@ -351,9 +478,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v0 = value; RaisePropertyChanged(nameof(V0)); 
-            }
+                if (_v0 != value)
+                {
+                    _v0 = value;
+
+                    V0Changed?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(V0)); 
+                }
+            }
         }
 
         protected Double _v1;
@@ -373,9 +506,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v1 = value; RaisePropertyChanged(nameof(V1)); 
-            }
+                if (_v1 != value)
+                {
+                    _v1 = value;
+
+                    V1Changed?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(V1)); 
+                }
+            }
         }
 
         protected Double _v2;
@@ -395,9 +534,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v2 = value; RaisePropertyChanged(nameof(V2)); 
-            }
+                if (_v2 != value)
+                {
+                    _v2 = value;
 
+                    V2Changed?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V2)); 
+                }
+            }
         }
 
         protected Double _v3;
@@ -417,9 +562,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v3 = value; RaisePropertyChanged(nameof(V3)); 
-            }
+                if (_v3 != value)
+                {
+                    _v3 = value;
 
+                    V3Changed?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V3)); 
+                }
+            }
         }
 
         protected Double _v4;
@@ -439,9 +590,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v4 = value; RaisePropertyChanged(nameof(V4)); 
-            }
+                if (_v4 != value)
+                {
+                    _v4 = value;
 
+                    V4Changed?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V4)); 
+                }
+            }
         }
 
         protected Double _v5;
@@ -461,9 +618,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v5 = value; RaisePropertyChanged(nameof(V5)); 
-            }
+                if (_v5 != value)
+                {
+                    _v5 = value;
 
+                    V5Changed?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V5)); 
+                }
+            }
         }
 
         protected Double _v6;
@@ -483,9 +646,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v6 = value; RaisePropertyChanged(nameof(V6)); 
-            }
+                if (_v6 != value)
+                {
+                    _v6 = value;
 
+                    V6Changed?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V6)); 
+                }
+            }
         }
 
         protected Double _v7;
@@ -505,9 +674,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _v7 = value; RaisePropertyChanged(nameof(V7)); 
-            }
+                if (_v7 != value)
+                {
+                    _v7 = value;
 
+                    V7Changed?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(V7)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<BrushStop> _brushstops;
@@ -525,9 +700,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _brushstops = value; RaisePropertyChanged(nameof(BrushStops)); 
-            }
+                if (_brushstops != value)
+                {
+                    _brushstops = value;
 
+                    BrushStopsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(BrushStops)); 
+                }
+            }
         }
 
         protected ColorSpace _colorspace;
@@ -547,9 +728,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _colorspace = value; RaisePropertyChanged(nameof(ColorSpace)); 
-            }
+                if (_colorspace != value)
+                {
+                    _colorspace = value;
 
+                    ColorSpaceChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ColorSpace)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/ColorSpace.cs b/Software/Visual_Studio/Tango.BL/Entities/ColorSpace.cs
index 32b93c545..c11c0531d 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/ColorSpace.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/ColorSpace.cs
@@ -25,6 +25,20 @@ namespace Tango.BL.Entities
     public partial class ColorSpace : ObservableEntity<ColorSpace>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<BrushStop>> BrushStopsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<ColorCatalog>> ColorCatalogsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Job>> JobsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Machine>> MachinesChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +56,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +84,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +112,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
 
+                    DescriptionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<BrushStop> _brushstops;
@@ -106,9 +138,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _brushstops = value; RaisePropertyChanged(nameof(BrushStops)); 
-            }
+                if (_brushstops != value)
+                {
+                    _brushstops = value;
+
+                    BrushStopsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(BrushStops)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<ColorCatalog> _colorcatalogs;
@@ -126,9 +164,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _colorcatalogs = value; RaisePropertyChanged(nameof(ColorCatalogs)); 
-            }
+                if (_colorcatalogs != value)
+                {
+                    _colorcatalogs = value;
+
+                    ColorCatalogsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ColorCatalogs)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Job> _jobs;
@@ -146,9 +190,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _jobs = value; RaisePropertyChanged(nameof(Jobs)); 
-            }
+                if (_jobs != value)
+                {
+                    _jobs = value;
 
+                    JobsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Jobs)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Machine> _machines;
@@ -166,9 +216,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machines = value; RaisePropertyChanged(nameof(Machines)); 
-            }
+                if (_machines != value)
+                {
+                    _machines = value;
+
+                    MachinesChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Machines)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Configuration.cs b/Software/Visual_Studio/Tango.BL/Entities/Configuration.cs
index db618a910..73d9a09be 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Configuration.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Configuration.cs
@@ -25,6 +25,28 @@ namespace Tango.BL.Entities
     public partial class Configuration : ObservableEntity<Configuration>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<DateTime> CreationDateChanged;
+
+        public event EventHandler<ApplicationDisplayPanelVersion> ApplicationDisplayPanelVersionChanged;
+
+        public event EventHandler<ApplicationFirmwareVersion> ApplicationFirmwareVersionChanged;
+
+        public event EventHandler<ApplicationOsVersion> ApplicationOsVersionChanged;
+
+        public event EventHandler<EmbeddedFirmwareVersion> EmbeddedFirmwareVersionChanged;
+
+        public event EventHandler<HardwareVersion> HardwareVersionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<IdsPack>> IdsPacksChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<MachineVersion>> MachineVersionsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Machine>> MachinesChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<MachinesConfiguration>> MachinesConfigurationsChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +64,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected DateTime _creationdate;
@@ -64,9 +92,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _creationdate = value; RaisePropertyChanged(nameof(CreationDate)); 
-            }
+                if (_creationdate != value)
+                {
+                    _creationdate = value;
+
+                    CreationDateChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(CreationDate)); 
+                }
+            }
         }
 
         protected String _applicationosversionguid;
@@ -87,9 +121,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _applicationosversionguid = value; RaisePropertyChanged(nameof(ApplicationOsVersionGuid)); 
+                if (_applicationosversionguid != value)
+                {
+                    _applicationosversionguid = value;
+                    RaisePropertyChanged(nameof(ApplicationOsVersionGuid)); 
+                }
             }
-
         }
 
         protected String _applicationfirmwareversionguid;
@@ -110,9 +147,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _applicationfirmwareversionguid = value; RaisePropertyChanged(nameof(ApplicationFirmwareVersionGuid)); 
+                if (_applicationfirmwareversionguid != value)
+                {
+                    _applicationfirmwareversionguid = value;
+                    RaisePropertyChanged(nameof(ApplicationFirmwareVersionGuid)); 
+                }
             }
-
         }
 
         protected String _applicationdisplaypanelversionguid;
@@ -133,9 +173,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _applicationdisplaypanelversionguid = value; RaisePropertyChanged(nameof(ApplicationDisplayPanelVersionGuid)); 
+                if (_applicationdisplaypanelversionguid != value)
+                {
+                    _applicationdisplaypanelversionguid = value;
+                    RaisePropertyChanged(nameof(ApplicationDisplayPanelVersionGuid)); 
+                }
             }
-
         }
 
         protected String _embeddedfirmwareversionguid;
@@ -156,9 +199,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _embeddedfirmwareversionguid = value; RaisePropertyChanged(nameof(EmbeddedFirmwareVersionGuid)); 
+                if (_embeddedfirmwareversionguid != value)
+                {
+                    _embeddedfirmwareversionguid = value;
+                    RaisePropertyChanged(nameof(EmbeddedFirmwareVersionGuid)); 
+                }
             }
-
         }
 
         protected String _hardwareversionguid;
@@ -179,9 +225,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversionguid = value; RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                if (_hardwareversionguid != value)
+                {
+                    _hardwareversionguid = value;
+                    RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                }
             }
-
         }
 
         protected ApplicationDisplayPanelVersion _applicationdisplaypanelversion;
@@ -201,9 +250,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _applicationdisplaypanelversion = value; RaisePropertyChanged(nameof(ApplicationDisplayPanelVersion)); 
-            }
+                if (_applicationdisplaypanelversion != value)
+                {
+                    _applicationdisplaypanelversion = value;
+
+                    ApplicationDisplayPanelVersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ApplicationDisplayPanelVersion)); 
+                }
+            }
         }
 
         protected ApplicationFirmwareVersion _applicationfirmwareversion;
@@ -223,9 +278,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _applicationfirmwareversion = value; RaisePropertyChanged(nameof(ApplicationFirmwareVersion)); 
-            }
+                if (_applicationfirmwareversion != value)
+                {
+                    _applicationfirmwareversion = value;
+
+                    ApplicationFirmwareVersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ApplicationFirmwareVersion)); 
+                }
+            }
         }
 
         protected ApplicationOsVersion _applicationosversion;
@@ -245,9 +306,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _applicationosversion = value; RaisePropertyChanged(nameof(ApplicationOsVersion)); 
-            }
+                if (_applicationosversion != value)
+                {
+                    _applicationosversion = value;
+
+                    ApplicationOsVersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ApplicationOsVersion)); 
+                }
+            }
         }
 
         protected EmbeddedFirmwareVersion _embeddedfirmwareversion;
@@ -267,9 +334,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _embeddedfirmwareversion = value; RaisePropertyChanged(nameof(EmbeddedFirmwareVersion)); 
-            }
+                if (_embeddedfirmwareversion != value)
+                {
+                    _embeddedfirmwareversion = value;
+
+                    EmbeddedFirmwareVersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(EmbeddedFirmwareVersion)); 
+                }
+            }
         }
 
         protected HardwareVersion _hardwareversion;
@@ -289,9 +362,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversion = value; RaisePropertyChanged(nameof(HardwareVersion)); 
-            }
+                if (_hardwareversion != value)
+                {
+                    _hardwareversion = value;
+
+                    HardwareVersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HardwareVersion)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<IdsPack> _idspacks;
@@ -309,9 +388,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _idspacks = value; RaisePropertyChanged(nameof(IdsPacks)); 
-            }
+                if (_idspacks != value)
+                {
+                    _idspacks = value;
+
+                    IdsPacksChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(IdsPacks)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<MachineVersion> _machineversions;
@@ -329,9 +414,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machineversions = value; RaisePropertyChanged(nameof(MachineVersions)); 
-            }
+                if (_machineversions != value)
+                {
+                    _machineversions = value;
+
+                    MachineVersionsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(MachineVersions)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Machine> _machines;
@@ -349,9 +440,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machines = value; RaisePropertyChanged(nameof(Machines)); 
-            }
+                if (_machines != value)
+                {
+                    _machines = value;
+
+                    MachinesChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Machines)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<MachinesConfiguration> _machinesconfigurations;
@@ -369,9 +466,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machinesconfigurations = value; RaisePropertyChanged(nameof(MachinesConfigurations)); 
-            }
+                if (_machinesconfigurations != value)
+                {
+                    _machinesconfigurations = value;
+
+                    MachinesConfigurationsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(MachinesConfigurations)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Contact.cs b/Software/Visual_Studio/Tango.BL/Entities/Contact.cs
index a9596c571..5fcf5510d 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Contact.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Contact.cs
@@ -25,6 +25,24 @@ namespace Tango.BL.Entities
     public partial class Contact : ObservableEntity<Contact>
     {
 
+        public event EventHandler<Boolean> DeletedChanged;
+
+        public event EventHandler<String> FirstNameChanged;
+
+        public event EventHandler<String> LastNameChanged;
+
+        public event EventHandler<String> FullNameChanged;
+
+        public event EventHandler<String> EmailChanged;
+
+        public event EventHandler<String> PhoneNumberChanged;
+
+        public event EventHandler<String> FaxChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Organization>> OrganizationsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<User>> UsersChanged;
+
         protected Boolean _deleted;
 
         /// <summary>
@@ -42,9 +60,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _deleted = value; RaisePropertyChanged(nameof(Deleted)); 
-            }
+                if (_deleted != value)
+                {
+                    _deleted = value;
+
+                    DeletedChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Deleted)); 
+                }
+            }
         }
 
         protected String _firstname;
@@ -64,9 +88,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _firstname = value; RaisePropertyChanged(nameof(FirstName)); 
-            }
+                if (_firstname != value)
+                {
+                    _firstname = value;
+
+                    FirstNameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(FirstName)); 
+                }
+            }
         }
 
         protected String _lastname;
@@ -86,9 +116,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _lastname = value; RaisePropertyChanged(nameof(LastName)); 
-            }
+                if (_lastname != value)
+                {
+                    _lastname = value;
 
+                    LastNameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(LastName)); 
+                }
+            }
         }
 
         protected String _fullname;
@@ -108,9 +144,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _fullname = value; RaisePropertyChanged(nameof(FullName)); 
-            }
+                if (_fullname != value)
+                {
+                    _fullname = value;
+
+                    FullNameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(FullName)); 
+                }
+            }
         }
 
         protected String _email;
@@ -130,9 +172,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _email = value; RaisePropertyChanged(nameof(Email)); 
-            }
+                if (_email != value)
+                {
+                    _email = value;
+
+                    EmailChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Email)); 
+                }
+            }
         }
 
         protected String _phonenumber;
@@ -152,9 +200,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _phonenumber = value; RaisePropertyChanged(nameof(PhoneNumber)); 
-            }
+                if (_phonenumber != value)
+                {
+                    _phonenumber = value;
 
+                    PhoneNumberChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(PhoneNumber)); 
+                }
+            }
         }
 
         protected String _fax;
@@ -174,9 +228,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _fax = value; RaisePropertyChanged(nameof(Fax)); 
-            }
+                if (_fax != value)
+                {
+                    _fax = value;
+
+                    FaxChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Fax)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Organization> _organizations;
@@ -194,9 +254,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _organizations = value; RaisePropertyChanged(nameof(Organizations)); 
-            }
+                if (_organizations != value)
+                {
+                    _organizations = value;
+
+                    OrganizationsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Organizations)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<User> _users;
@@ -214,9 +280,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _users = value; RaisePropertyChanged(nameof(Users)); 
-            }
+                if (_users != value)
+                {
+                    _users = value;
 
+                    UsersChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Users)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Customer.cs b/Software/Visual_Studio/Tango.BL/Entities/Customer.cs
index c2a368a2d..9b356dfc2 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Customer.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Customer.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class Customer : ObservableEntity<Customer>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Organization> OrganizationChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Job>> JobsChanged;
+
         protected String _organizationguid;
 
         /// <summary>
@@ -43,9 +49,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _organizationguid = value; RaisePropertyChanged(nameof(OrganizationGuid)); 
+                if (_organizationguid != value)
+                {
+                    _organizationguid = value;
+                    RaisePropertyChanged(nameof(OrganizationGuid)); 
+                }
             }
-
         }
 
         protected String _name;
@@ -65,9 +74,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Organization _organization;
@@ -87,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _organization = value; RaisePropertyChanged(nameof(Organization)); 
-            }
+                if (_organization != value)
+                {
+                    _organization = value;
+
+                    OrganizationChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Organization)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Job> _jobs;
@@ -107,9 +128,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _jobs = value; RaisePropertyChanged(nameof(Jobs)); 
-            }
+                if (_jobs != value)
+                {
+                    _jobs = value;
+
+                    JobsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Jobs)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/DispenserType.cs b/Software/Visual_Studio/Tango.BL/Entities/DispenserType.cs
index 671f92a68..5956456a4 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/DispenserType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/DispenserType.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class DispenserType : ObservableEntity<DispenserType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Double> NlPerPulseChanged;
+
+        public event EventHandler<Double> CapacityChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<IdsPack>> IdsPacksChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +52,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +80,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Double _nlperpulse;
@@ -86,9 +108,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _nlperpulse = value; RaisePropertyChanged(nameof(NlPerPulse)); 
-            }
+                if (_nlperpulse != value)
+                {
+                    _nlperpulse = value;
+
+                    NlPerPulseChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(NlPerPulse)); 
+                }
+            }
         }
 
         protected Double _capacity;
@@ -108,9 +136,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _capacity = value; RaisePropertyChanged(nameof(Capacity)); 
-            }
+                if (_capacity != value)
+                {
+                    _capacity = value;
 
+                    CapacityChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Capacity)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<IdsPack> _idspacks;
@@ -128,9 +162,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _idspacks = value; RaisePropertyChanged(nameof(IdsPacks)); 
-            }
+                if (_idspacks != value)
+                {
+                    _idspacks = value;
 
+                    IdsPacksChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(IdsPacks)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/EmbeddedFirmwareVersion.cs b/Software/Visual_Studio/Tango.BL/Entities/EmbeddedFirmwareVersion.cs
index c1c1018d4..585a5a2d1 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/EmbeddedFirmwareVersion.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/EmbeddedFirmwareVersion.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class EmbeddedFirmwareVersion : ObservableEntity<EmbeddedFirmwareVersion>
     {
 
+        public event EventHandler<Double> VersionChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Configuration>> ConfigurationsChanged;
+
         protected Double _version;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _version = value; RaisePropertyChanged(nameof(Version)); 
-            }
+                if (_version != value)
+                {
+                    _version = value;
+
+                    VersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Version)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Configuration> _configurations;
@@ -84,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _configurations = value; RaisePropertyChanged(nameof(Configurations)); 
-            }
+                if (_configurations != value)
+                {
+                    _configurations = value;
+
+                    ConfigurationsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Configurations)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/EventType.cs b/Software/Visual_Studio/Tango.BL/Entities/EventType.cs
index bc752c38d..8f4ec9014 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/EventType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/EventType.cs
@@ -25,6 +25,26 @@ namespace Tango.BL.Entities
     public partial class EventType : ObservableEntity<EventType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<Boolean> RequiresUserInterventionChanged;
+
+        public event EventHandler<Boolean> ResolvableChanged;
+
+        public event EventHandler<EventTypesGroup> EventTypesGroupChanged;
+
+        public event EventHandler<EventTypesCategory> EventTypesCategoryChanged;
+
+        public event EventHandler<HtmlPage> HtmlPageChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<EventTypesAction>> EventTypesActionsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<MachinesEvent>> MachinesEventsChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +62,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
 
+                    CodeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +90,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +118,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
 
+                    DescriptionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected String _eventtypescategoryguid;
@@ -109,9 +147,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtypescategoryguid = value; RaisePropertyChanged(nameof(EventTypesCategoryGuid)); 
+                if (_eventtypescategoryguid != value)
+                {
+                    _eventtypescategoryguid = value;
+                    RaisePropertyChanged(nameof(EventTypesCategoryGuid)); 
+                }
             }
-
         }
 
         protected String _eventtypesgroupguid;
@@ -132,9 +173,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtypesgroupguid = value; RaisePropertyChanged(nameof(EventTypesGroupGuid)); 
+                if (_eventtypesgroupguid != value)
+                {
+                    _eventtypesgroupguid = value;
+                    RaisePropertyChanged(nameof(EventTypesGroupGuid)); 
+                }
             }
-
         }
 
         protected Boolean _requiresuserintervention;
@@ -154,9 +198,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _requiresuserintervention = value; RaisePropertyChanged(nameof(RequiresUserIntervention)); 
-            }
+                if (_requiresuserintervention != value)
+                {
+                    _requiresuserintervention = value;
 
+                    RequiresUserInterventionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(RequiresUserIntervention)); 
+                }
+            }
         }
 
         protected String _htmlpageguid;
@@ -177,9 +227,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _htmlpageguid = value; RaisePropertyChanged(nameof(HtmlPageGuid)); 
+                if (_htmlpageguid != value)
+                {
+                    _htmlpageguid = value;
+                    RaisePropertyChanged(nameof(HtmlPageGuid)); 
+                }
             }
-
         }
 
         protected Boolean _resolvable;
@@ -199,9 +252,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _resolvable = value; RaisePropertyChanged(nameof(Resolvable)); 
-            }
+                if (_resolvable != value)
+                {
+                    _resolvable = value;
+
+                    ResolvableChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Resolvable)); 
+                }
+            }
         }
 
         protected EventTypesGroup _eventtypesgroup;
@@ -221,9 +280,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtypesgroup = value; RaisePropertyChanged(nameof(EventTypesGroup)); 
-            }
+                if (_eventtypesgroup != value)
+                {
+                    _eventtypesgroup = value;
+
+                    EventTypesGroupChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(EventTypesGroup)); 
+                }
+            }
         }
 
         protected EventTypesCategory _eventtypescategory;
@@ -243,9 +308,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtypescategory = value; RaisePropertyChanged(nameof(EventTypesCategory)); 
-            }
+                if (_eventtypescategory != value)
+                {
+                    _eventtypescategory = value;
+
+                    EventTypesCategoryChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(EventTypesCategory)); 
+                }
+            }
         }
 
         protected HtmlPage _htmlpage;
@@ -265,9 +336,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _htmlpage = value; RaisePropertyChanged(nameof(HtmlPage)); 
-            }
+                if (_htmlpage != value)
+                {
+                    _htmlpage = value;
+
+                    HtmlPageChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HtmlPage)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<EventTypesAction> _eventtypesactions;
@@ -285,9 +362,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtypesactions = value; RaisePropertyChanged(nameof(EventTypesActions)); 
-            }
+                if (_eventtypesactions != value)
+                {
+                    _eventtypesactions = value;
 
+                    EventTypesActionsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(EventTypesActions)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<MachinesEvent> _machinesevents;
@@ -305,9 +388,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machinesevents = value; RaisePropertyChanged(nameof(MachinesEvents)); 
-            }
+                if (_machinesevents != value)
+                {
+                    _machinesevents = value;
 
+                    MachinesEventsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(MachinesEvents)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/EventTypesAction.cs b/Software/Visual_Studio/Tango.BL/Entities/EventTypesAction.cs
index 0c1cbf059..c1b667cbe 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/EventTypesAction.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/EventTypesAction.cs
@@ -25,6 +25,10 @@ namespace Tango.BL.Entities
     public partial class EventTypesAction : ObservableEntity<EventTypesAction>
     {
 
+        public event EventHandler<ActionType> ActionTypeChanged;
+
+        public event EventHandler<EventType> EventTypeChanged;
+
         protected String _eventtypeguid;
 
         /// <summary>
@@ -43,9 +47,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtypeguid = value; RaisePropertyChanged(nameof(EventTypeGuid)); 
+                if (_eventtypeguid != value)
+                {
+                    _eventtypeguid = value;
+                    RaisePropertyChanged(nameof(EventTypeGuid)); 
+                }
             }
-
         }
 
         protected String _actiontypeguid;
@@ -66,9 +73,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _actiontypeguid = value; RaisePropertyChanged(nameof(ActionTypeGuid)); 
+                if (_actiontypeguid != value)
+                {
+                    _actiontypeguid = value;
+                    RaisePropertyChanged(nameof(ActionTypeGuid)); 
+                }
             }
-
         }
 
         protected ActionType _actiontype;
@@ -88,9 +98,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _actiontype = value; RaisePropertyChanged(nameof(ActionType)); 
-            }
+                if (_actiontype != value)
+                {
+                    _actiontype = value;
 
+                    ActionTypeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ActionType)); 
+                }
+            }
         }
 
         protected EventType _eventtype;
@@ -110,9 +126,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtype = value; RaisePropertyChanged(nameof(EventType)); 
-            }
+                if (_eventtype != value)
+                {
+                    _eventtype = value;
 
+                    EventTypeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(EventType)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/EventTypesCategory.cs b/Software/Visual_Studio/Tango.BL/Entities/EventTypesCategory.cs
index 9a368cfcd..f0a25335a 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/EventTypesCategory.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/EventTypesCategory.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class EventTypesCategory : ObservableEntity<EventTypesCategory>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<EventType>> EventTypesChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +50,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<EventType> _eventtypes;
@@ -106,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtypes = value; RaisePropertyChanged(nameof(EventTypes)); 
-            }
+                if (_eventtypes != value)
+                {
+                    _eventtypes = value;
 
+                    EventTypesChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(EventTypes)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/EventTypesGroup.cs b/Software/Visual_Studio/Tango.BL/Entities/EventTypesGroup.cs
index 35d3d197c..36389e65b 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/EventTypesGroup.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/EventTypesGroup.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class EventTypesGroup : ObservableEntity<EventTypesGroup>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<EventType>> EventTypesChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +50,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<EventType> _eventtypes;
@@ -106,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtypes = value; RaisePropertyChanged(nameof(EventTypes)); 
-            }
+                if (_eventtypes != value)
+                {
+                    _eventtypes = value;
 
+                    EventTypesChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(EventTypes)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/FiberShape.cs b/Software/Visual_Studio/Tango.BL/Entities/FiberShape.cs
index ff82a810b..05fbb4dbf 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/FiberShape.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/FiberShape.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class FiberShape : ObservableEntity<FiberShape>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Rml>> RmlsChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Int32 _code;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Rml> _rmls;
@@ -84,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rmls = value; RaisePropertyChanged(nameof(Rmls)); 
-            }
+                if (_rmls != value)
+                {
+                    _rmls = value;
+
+                    RmlsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Rmls)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/FiberSynth.cs b/Software/Visual_Studio/Tango.BL/Entities/FiberSynth.cs
index 3a7b1c8ed..0a2964380 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/FiberSynth.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/FiberSynth.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class FiberSynth : ObservableEntity<FiberSynth>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Rml>> RmlsChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Int32 _code;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Rml> _rmls;
@@ -84,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rmls = value; RaisePropertyChanged(nameof(Rmls)); 
-            }
+                if (_rmls != value)
+                {
+                    _rmls = value;
+
+                    RmlsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Rmls)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareBlower.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareBlower.cs
index a6637d902..cccad67f9 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareBlower.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareBlower.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class HardwareBlower : ObservableEntity<HardwareBlower>
     {
 
+        public event EventHandler<Boolean> EnabledChanged;
+
+        public event EventHandler<Double> VoltageChanged;
+
+        public event EventHandler<Boolean> ActiveChanged;
+
+        public event EventHandler<HardwareBlowerType> HardwareBlowerTypeChanged;
+
+        public event EventHandler<HardwareVersion> HardwareVersionChanged;
+
         protected String _hardwareblowertypeguid;
 
         /// <summary>
@@ -43,9 +53,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareblowertypeguid = value; RaisePropertyChanged(nameof(HardwareBlowerTypeGuid)); 
+                if (_hardwareblowertypeguid != value)
+                {
+                    _hardwareblowertypeguid = value;
+                    RaisePropertyChanged(nameof(HardwareBlowerTypeGuid)); 
+                }
             }
-
         }
 
         protected String _hardwareversionguid;
@@ -66,9 +79,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversionguid = value; RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                if (_hardwareversionguid != value)
+                {
+                    _hardwareversionguid = value;
+                    RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                }
             }
-
         }
 
         protected Boolean _enabled;
@@ -88,9 +104,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _enabled = value; RaisePropertyChanged(nameof(Enabled)); 
-            }
+                if (_enabled != value)
+                {
+                    _enabled = value;
+
+                    EnabledChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Enabled)); 
+                }
+            }
         }
 
         protected Double _voltage;
@@ -110,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _voltage = value; RaisePropertyChanged(nameof(Voltage)); 
-            }
+                if (_voltage != value)
+                {
+                    _voltage = value;
 
+                    VoltageChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Voltage)); 
+                }
+            }
         }
 
         protected Boolean _active;
@@ -132,9 +160,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _active = value; RaisePropertyChanged(nameof(Active)); 
-            }
+                if (_active != value)
+                {
+                    _active = value;
 
+                    ActiveChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Active)); 
+                }
+            }
         }
 
         protected HardwareBlowerType _hardwareblowertype;
@@ -154,9 +188,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareblowertype = value; RaisePropertyChanged(nameof(HardwareBlowerType)); 
-            }
+                if (_hardwareblowertype != value)
+                {
+                    _hardwareblowertype = value;
 
+                    HardwareBlowerTypeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareBlowerType)); 
+                }
+            }
         }
 
         protected HardwareVersion _hardwareversion;
@@ -176,9 +216,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversion = value; RaisePropertyChanged(nameof(HardwareVersion)); 
-            }
+                if (_hardwareversion != value)
+                {
+                    _hardwareversion = value;
 
+                    HardwareVersionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareVersion)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareBlowerType.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareBlowerType.cs
index 6fa469da0..c1aaa114a 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareBlowerType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareBlowerType.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class HardwareBlowerType : ObservableEntity<HardwareBlowerType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwareBlower>> HardwareBlowersChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +50,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwareBlower> _hardwareblowers;
@@ -106,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareblowers = value; RaisePropertyChanged(nameof(HardwareBlowers)); 
-            }
+                if (_hardwareblowers != value)
+                {
+                    _hardwareblowers = value;
 
+                    HardwareBlowersChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareBlowers)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareBreakSensor.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareBreakSensor.cs
index 133db0b21..9d08ac8b9 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareBreakSensor.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareBreakSensor.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class HardwareBreakSensor : ObservableEntity<HardwareBreakSensor>
     {
 
+        public event EventHandler<Boolean> EnabledChanged;
+
+        public event EventHandler<Int32> DeBounceTimeMilliChanged;
+
+        public event EventHandler<Boolean> ActiveChanged;
+
+        public event EventHandler<HardwareBreakSensorType> HardwareBreakSensorTypeChanged;
+
+        public event EventHandler<HardwareVersion> HardwareVersionChanged;
+
         protected String _hardwarebreaksensortypeguid;
 
         /// <summary>
@@ -43,9 +53,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarebreaksensortypeguid = value; RaisePropertyChanged(nameof(HardwareBreakSensorTypeGuid)); 
+                if (_hardwarebreaksensortypeguid != value)
+                {
+                    _hardwarebreaksensortypeguid = value;
+                    RaisePropertyChanged(nameof(HardwareBreakSensorTypeGuid)); 
+                }
             }
-
         }
 
         protected String _hardwareversionguid;
@@ -66,9 +79,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversionguid = value; RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                if (_hardwareversionguid != value)
+                {
+                    _hardwareversionguid = value;
+                    RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                }
             }
-
         }
 
         protected Boolean _enabled;
@@ -88,9 +104,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _enabled = value; RaisePropertyChanged(nameof(Enabled)); 
-            }
+                if (_enabled != value)
+                {
+                    _enabled = value;
+
+                    EnabledChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Enabled)); 
+                }
+            }
         }
 
         protected Int32 _debouncetimemilli;
@@ -110,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _debouncetimemilli = value; RaisePropertyChanged(nameof(DeBounceTimeMilli)); 
-            }
+                if (_debouncetimemilli != value)
+                {
+                    _debouncetimemilli = value;
 
+                    DeBounceTimeMilliChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(DeBounceTimeMilli)); 
+                }
+            }
         }
 
         protected Boolean _active;
@@ -132,9 +160,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _active = value; RaisePropertyChanged(nameof(Active)); 
-            }
+                if (_active != value)
+                {
+                    _active = value;
 
+                    ActiveChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Active)); 
+                }
+            }
         }
 
         protected HardwareBreakSensorType _hardwarebreaksensortype;
@@ -154,9 +188,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarebreaksensortype = value; RaisePropertyChanged(nameof(HardwareBreakSensorType)); 
-            }
+                if (_hardwarebreaksensortype != value)
+                {
+                    _hardwarebreaksensortype = value;
 
+                    HardwareBreakSensorTypeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareBreakSensorType)); 
+                }
+            }
         }
 
         protected HardwareVersion _hardwareversion;
@@ -176,9 +216,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversion = value; RaisePropertyChanged(nameof(HardwareVersion)); 
-            }
+                if (_hardwareversion != value)
+                {
+                    _hardwareversion = value;
 
+                    HardwareVersionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareVersion)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareBreakSensorType.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareBreakSensorType.cs
index 0a340dcf7..634cf0f6a 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareBreakSensorType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareBreakSensorType.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class HardwareBreakSensorType : ObservableEntity<HardwareBreakSensorType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwareBreakSensor>> HardwareBreakSensorsChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +50,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwareBreakSensor> _hardwarebreaksensors;
@@ -106,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarebreaksensors = value; RaisePropertyChanged(nameof(HardwareBreakSensors)); 
-            }
+                if (_hardwarebreaksensors != value)
+                {
+                    _hardwarebreaksensors = value;
 
+                    HardwareBreakSensorsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareBreakSensors)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareDancer.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareDancer.cs
index 1e6c615e9..c5bff2270 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareDancer.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareDancer.cs
@@ -25,6 +25,32 @@ namespace Tango.BL.Entities
     public partial class HardwareDancer : ObservableEntity<HardwareDancer>
     {
 
+        public event EventHandler<Boolean> GradualChanged;
+
+        public event EventHandler<Double> KChanged;
+
+        public event EventHandler<Double> XChanged;
+
+        public event EventHandler<Int32> PulsePerMmSpringChanged;
+
+        public event EventHandler<Int32> MaximalMovementMmChanged;
+
+        public event EventHandler<Int32> ZeroPointChanged;
+
+        public event EventHandler<Int32> ResolutionBitsChanged;
+
+        public event EventHandler<Int32> ArmLengthChanged;
+
+        public event EventHandler<Boolean> AssemblyDirectionRightChanged;
+
+        public event EventHandler<Boolean> AccelerateOnTensionRaiseChanged;
+
+        public event EventHandler<Boolean> ActiveChanged;
+
+        public event EventHandler<HardwareDancerType> HardwareDancerTypeChanged;
+
+        public event EventHandler<HardwareVersion> HardwareVersionChanged;
+
         protected String _hardwaredancertypeguid;
 
         /// <summary>
@@ -43,9 +69,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwaredancertypeguid = value; RaisePropertyChanged(nameof(HardwareDancerTypeGuid)); 
+                if (_hardwaredancertypeguid != value)
+                {
+                    _hardwaredancertypeguid = value;
+                    RaisePropertyChanged(nameof(HardwareDancerTypeGuid)); 
+                }
             }
-
         }
 
         protected String _hardwareversionguid;
@@ -66,9 +95,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversionguid = value; RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                if (_hardwareversionguid != value)
+                {
+                    _hardwareversionguid = value;
+                    RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                }
             }
-
         }
 
         protected Boolean _gradual;
@@ -88,9 +120,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _gradual = value; RaisePropertyChanged(nameof(Gradual)); 
-            }
+                if (_gradual != value)
+                {
+                    _gradual = value;
 
+                    GradualChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Gradual)); 
+                }
+            }
         }
 
         protected Double _k;
@@ -110,9 +148,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _k = value; RaisePropertyChanged(nameof(K)); 
-            }
+                if (_k != value)
+                {
+                    _k = value;
+
+                    KChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(K)); 
+                }
+            }
         }
 
         protected Double _x;
@@ -132,9 +176,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _x = value; RaisePropertyChanged(nameof(X)); 
-            }
+                if (_x != value)
+                {
+                    _x = value;
+
+                    XChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(X)); 
+                }
+            }
         }
 
         protected Int32 _pulsepermmspring;
@@ -154,9 +204,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _pulsepermmspring = value; RaisePropertyChanged(nameof(PulsePerMmSpring)); 
-            }
+                if (_pulsepermmspring != value)
+                {
+                    _pulsepermmspring = value;
+
+                    PulsePerMmSpringChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(PulsePerMmSpring)); 
+                }
+            }
         }
 
         protected Int32 _maximalmovementmm;
@@ -176,9 +232,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _maximalmovementmm = value; RaisePropertyChanged(nameof(MaximalMovementMm)); 
-            }
+                if (_maximalmovementmm != value)
+                {
+                    _maximalmovementmm = value;
+
+                    MaximalMovementMmChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(MaximalMovementMm)); 
+                }
+            }
         }
 
         protected Int32 _zeropoint;
@@ -198,9 +260,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _zeropoint = value; RaisePropertyChanged(nameof(ZeroPoint)); 
-            }
+                if (_zeropoint != value)
+                {
+                    _zeropoint = value;
 
+                    ZeroPointChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ZeroPoint)); 
+                }
+            }
         }
 
         protected Int32 _resolutionbits;
@@ -220,9 +288,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _resolutionbits = value; RaisePropertyChanged(nameof(ResolutionBits)); 
-            }
+                if (_resolutionbits != value)
+                {
+                    _resolutionbits = value;
 
+                    ResolutionBitsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ResolutionBits)); 
+                }
+            }
         }
 
         protected Int32 _armlength;
@@ -242,9 +316,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _armlength = value; RaisePropertyChanged(nameof(ArmLength)); 
-            }
+                if (_armlength != value)
+                {
+                    _armlength = value;
+
+                    ArmLengthChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ArmLength)); 
+                }
+            }
         }
 
         protected Boolean _assemblydirectionright;
@@ -264,9 +344,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _assemblydirectionright = value; RaisePropertyChanged(nameof(AssemblyDirectionRight)); 
-            }
+                if (_assemblydirectionright != value)
+                {
+                    _assemblydirectionright = value;
+
+                    AssemblyDirectionRightChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(AssemblyDirectionRight)); 
+                }
+            }
         }
 
         protected Boolean _accelerateontensionraise;
@@ -286,9 +372,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _accelerateontensionraise = value; RaisePropertyChanged(nameof(AccelerateOnTensionRaise)); 
-            }
+                if (_accelerateontensionraise != value)
+                {
+                    _accelerateontensionraise = value;
 
+                    AccelerateOnTensionRaiseChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(AccelerateOnTensionRaise)); 
+                }
+            }
         }
 
         protected Boolean _active;
@@ -308,9 +400,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _active = value; RaisePropertyChanged(nameof(Active)); 
-            }
+                if (_active != value)
+                {
+                    _active = value;
+
+                    ActiveChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Active)); 
+                }
+            }
         }
 
         protected HardwareDancerType _hardwaredancertype;
@@ -330,9 +428,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwaredancertype = value; RaisePropertyChanged(nameof(HardwareDancerType)); 
-            }
+                if (_hardwaredancertype != value)
+                {
+                    _hardwaredancertype = value;
+
+                    HardwareDancerTypeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HardwareDancerType)); 
+                }
+            }
         }
 
         protected HardwareVersion _hardwareversion;
@@ -352,9 +456,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversion = value; RaisePropertyChanged(nameof(HardwareVersion)); 
-            }
+                if (_hardwareversion != value)
+                {
+                    _hardwareversion = value;
+
+                    HardwareVersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HardwareVersion)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareDancerType.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareDancerType.cs
index 3ca346ce0..f9b6ca2f9 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareDancerType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareDancerType.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class HardwareDancerType : ObservableEntity<HardwareDancerType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwareDancer>> HardwareDancersChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +50,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwareDancer> _hardwaredancers;
@@ -106,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwaredancers = value; RaisePropertyChanged(nameof(HardwareDancers)); 
-            }
+                if (_hardwaredancers != value)
+                {
+                    _hardwaredancers = value;
 
+                    HardwareDancersChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareDancers)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareMotor.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareMotor.cs
index 2518cb8ea..da4a34f49 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareMotor.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareMotor.cs
@@ -30,6 +30,60 @@ namespace Tango.BL.Entities
     public partial class HardwareMotor : ObservableEntity<HardwareMotor>
     {
 
+        public event EventHandler<Int32> MinFrequencyChanged;
+
+        public event EventHandler<Int32> MaxFrequencyChanged;
+
+        public event EventHandler<Int32> SetMicroStepChanged;
+
+        public event EventHandler<Int32> MicroStepChanged;
+
+        public event EventHandler<Double> MaxChangeSlopeChanged;
+
+        public event EventHandler<Double> HighLengthMicroSecondChanged;
+
+        public event EventHandler<Boolean> SpeedMasterChanged;
+
+        public event EventHandler<Int32> PulsePerRoundChanged;
+
+        public event EventHandler<Double> PulleyRadiusChanged;
+
+        public event EventHandler<Int32> ConfigWordChanged;
+
+        public event EventHandler<Boolean> DirectionThreadWizeChanged;
+
+        public event EventHandler<Int32> KvalHoldChanged;
+
+        public event EventHandler<Int32> KvalRunChanged;
+
+        public event EventHandler<Int32> KvalAccChanged;
+
+        public event EventHandler<Int32> KvalDecChanged;
+
+        public event EventHandler<Int32> OverCurrentThresholdChanged;
+
+        public event EventHandler<Int32> StallThresholdChanged;
+
+        public event EventHandler<Int32> ThermalCompensationFactorChanged;
+
+        public event EventHandler<Boolean> LowSpeedOptimizationChanged;
+
+        public event EventHandler<Int32> StSlpChanged;
+
+        public event EventHandler<Int32> IntSpdChanged;
+
+        public event EventHandler<Int32> FnSlpAccChanged;
+
+        public event EventHandler<Int32> FnSlpDecChanged;
+
+        public event EventHandler<Int32> FsSpdChanged;
+
+        public event EventHandler<Boolean> ActiveChanged;
+
+        public event EventHandler<HardwareMotorType> HardwareMotorTypeChanged;
+
+        public event EventHandler<HardwareVersion> HardwareVersionChanged;
+
         protected String _hardwaremotortypeguid;
 
         /// <summary>
@@ -48,9 +102,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwaremotortypeguid = value; RaisePropertyChanged(nameof(HardwareMotorTypeGuid)); 
+                if (_hardwaremotortypeguid != value)
+                {
+                    _hardwaremotortypeguid = value;
+                    RaisePropertyChanged(nameof(HardwareMotorTypeGuid)); 
+                }
             }
-
         }
 
         protected String _hardwareversionguid;
@@ -71,9 +128,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversionguid = value; RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                if (_hardwareversionguid != value)
+                {
+                    _hardwareversionguid = value;
+                    RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                }
             }
-
         }
 
         protected Int32 _minfrequency;
@@ -93,9 +153,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _minfrequency = value; RaisePropertyChanged(nameof(MinFrequency)); 
-            }
+                if (_minfrequency != value)
+                {
+                    _minfrequency = value;
 
+                    MinFrequencyChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(MinFrequency)); 
+                }
+            }
         }
 
         protected Int32 _maxfrequency;
@@ -115,9 +181,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _maxfrequency = value; RaisePropertyChanged(nameof(MaxFrequency)); 
-            }
+                if (_maxfrequency != value)
+                {
+                    _maxfrequency = value;
+
+                    MaxFrequencyChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(MaxFrequency)); 
+                }
+            }
         }
 
         protected Int32 _setmicrostep;
@@ -137,9 +209,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _setmicrostep = value; RaisePropertyChanged(nameof(SetMicroStep)); 
-            }
+                if (_setmicrostep != value)
+                {
+                    _setmicrostep = value;
+
+                    SetMicroStepChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(SetMicroStep)); 
+                }
+            }
         }
 
         protected Int32 _microstep;
@@ -159,9 +237,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _microstep = value; RaisePropertyChanged(nameof(MicroStep)); 
-            }
+                if (_microstep != value)
+                {
+                    _microstep = value;
 
+                    MicroStepChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(MicroStep)); 
+                }
+            }
         }
 
         protected Double _maxchangeslope;
@@ -181,9 +265,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _maxchangeslope = value; RaisePropertyChanged(nameof(MaxChangeSlope)); 
-            }
+                if (_maxchangeslope != value)
+                {
+                    _maxchangeslope = value;
 
+                    MaxChangeSlopeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(MaxChangeSlope)); 
+                }
+            }
         }
 
         protected Double _highlengthmicrosecond;
@@ -203,9 +293,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _highlengthmicrosecond = value; RaisePropertyChanged(nameof(HighLengthMicroSecond)); 
-            }
+                if (_highlengthmicrosecond != value)
+                {
+                    _highlengthmicrosecond = value;
+
+                    HighLengthMicroSecondChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HighLengthMicroSecond)); 
+                }
+            }
         }
 
         protected Boolean _speedmaster;
@@ -225,9 +321,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _speedmaster = value; RaisePropertyChanged(nameof(SpeedMaster)); 
-            }
+                if (_speedmaster != value)
+                {
+                    _speedmaster = value;
+
+                    SpeedMasterChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(SpeedMaster)); 
+                }
+            }
         }
 
         protected Int32 _pulseperround;
@@ -247,9 +349,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _pulseperround = value; RaisePropertyChanged(nameof(PulsePerRound)); 
-            }
+                if (_pulseperround != value)
+                {
+                    _pulseperround = value;
+
+                    PulsePerRoundChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(PulsePerRound)); 
+                }
+            }
         }
 
         protected Double _pulleyradius;
@@ -269,9 +377,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _pulleyradius = value; RaisePropertyChanged(nameof(PulleyRadius)); 
-            }
+                if (_pulleyradius != value)
+                {
+                    _pulleyradius = value;
+
+                    PulleyRadiusChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(PulleyRadius)); 
+                }
+            }
         }
 
         protected Int32 _configword;
@@ -291,9 +405,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _configword = value; RaisePropertyChanged(nameof(ConfigWord)); 
-            }
+                if (_configword != value)
+                {
+                    _configword = value;
 
+                    ConfigWordChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ConfigWord)); 
+                }
+            }
         }
 
         protected Boolean _directionthreadwize;
@@ -313,9 +433,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _directionthreadwize = value; RaisePropertyChanged(nameof(DirectionThreadWize)); 
-            }
+                if (_directionthreadwize != value)
+                {
+                    _directionthreadwize = value;
+
+                    DirectionThreadWizeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(DirectionThreadWize)); 
+                }
+            }
         }
 
         protected Int32 _kvalhold;
@@ -335,9 +461,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _kvalhold = value; RaisePropertyChanged(nameof(KvalHold)); 
-            }
+                if (_kvalhold != value)
+                {
+                    _kvalhold = value;
+
+                    KvalHoldChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(KvalHold)); 
+                }
+            }
         }
 
         protected Int32 _kvalrun;
@@ -357,9 +489,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _kvalrun = value; RaisePropertyChanged(nameof(KvalRun)); 
-            }
+                if (_kvalrun != value)
+                {
+                    _kvalrun = value;
 
+                    KvalRunChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(KvalRun)); 
+                }
+            }
         }
 
         protected Int32 _kvalacc;
@@ -379,9 +517,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _kvalacc = value; RaisePropertyChanged(nameof(KvalAcc)); 
-            }
+                if (_kvalacc != value)
+                {
+                    _kvalacc = value;
 
+                    KvalAccChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(KvalAcc)); 
+                }
+            }
         }
 
         protected Int32 _kvaldec;
@@ -401,9 +545,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _kvaldec = value; RaisePropertyChanged(nameof(KvalDec)); 
-            }
+                if (_kvaldec != value)
+                {
+                    _kvaldec = value;
+
+                    KvalDecChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(KvalDec)); 
+                }
+            }
         }
 
         protected Int32 _overcurrentthreshold;
@@ -423,9 +573,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _overcurrentthreshold = value; RaisePropertyChanged(nameof(OverCurrentThreshold)); 
-            }
+                if (_overcurrentthreshold != value)
+                {
+                    _overcurrentthreshold = value;
+
+                    OverCurrentThresholdChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(OverCurrentThreshold)); 
+                }
+            }
         }
 
         protected Int32 _stallthreshold;
@@ -445,9 +601,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _stallthreshold = value; RaisePropertyChanged(nameof(StallThreshold)); 
-            }
+                if (_stallthreshold != value)
+                {
+                    _stallthreshold = value;
 
+                    StallThresholdChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(StallThreshold)); 
+                }
+            }
         }
 
         protected Int32 _thermalcompensationfactor;
@@ -467,9 +629,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _thermalcompensationfactor = value; RaisePropertyChanged(nameof(ThermalCompensationFactor)); 
-            }
+                if (_thermalcompensationfactor != value)
+                {
+                    _thermalcompensationfactor = value;
+
+                    ThermalCompensationFactorChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ThermalCompensationFactor)); 
+                }
+            }
         }
 
         protected Boolean _lowspeedoptimization;
@@ -489,9 +657,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _lowspeedoptimization = value; RaisePropertyChanged(nameof(LowSpeedOptimization)); 
-            }
+                if (_lowspeedoptimization != value)
+                {
+                    _lowspeedoptimization = value;
+
+                    LowSpeedOptimizationChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(LowSpeedOptimization)); 
+                }
+            }
         }
 
         protected Int32 _stslp;
@@ -511,9 +685,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _stslp = value; RaisePropertyChanged(nameof(StSlp)); 
-            }
+                if (_stslp != value)
+                {
+                    _stslp = value;
 
+                    StSlpChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(StSlp)); 
+                }
+            }
         }
 
         protected Int32 _intspd;
@@ -533,9 +713,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _intspd = value; RaisePropertyChanged(nameof(IntSpd)); 
-            }
+                if (_intspd != value)
+                {
+                    _intspd = value;
 
+                    IntSpdChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(IntSpd)); 
+                }
+            }
         }
 
         protected Int32 _fnslpacc;
@@ -555,9 +741,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _fnslpacc = value; RaisePropertyChanged(nameof(FnSlpAcc)); 
-            }
+                if (_fnslpacc != value)
+                {
+                    _fnslpacc = value;
+
+                    FnSlpAccChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(FnSlpAcc)); 
+                }
+            }
         }
 
         protected Int32 _fnslpdec;
@@ -577,9 +769,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _fnslpdec = value; RaisePropertyChanged(nameof(FnSlpDec)); 
-            }
+                if (_fnslpdec != value)
+                {
+                    _fnslpdec = value;
+
+                    FnSlpDecChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(FnSlpDec)); 
+                }
+            }
         }
 
         protected Int32 _fsspd;
@@ -599,9 +797,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _fsspd = value; RaisePropertyChanged(nameof(FsSpd)); 
-            }
+                if (_fsspd != value)
+                {
+                    _fsspd = value;
 
+                    FsSpdChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(FsSpd)); 
+                }
+            }
         }
 
         protected Boolean _active;
@@ -621,9 +825,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _active = value; RaisePropertyChanged(nameof(Active)); 
-            }
+                if (_active != value)
+                {
+                    _active = value;
+
+                    ActiveChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Active)); 
+                }
+            }
         }
 
         protected HardwareMotorType _hardwaremotortype;
@@ -643,9 +853,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwaremotortype = value; RaisePropertyChanged(nameof(HardwareMotorType)); 
-            }
+                if (_hardwaremotortype != value)
+                {
+                    _hardwaremotortype = value;
+
+                    HardwareMotorTypeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HardwareMotorType)); 
+                }
+            }
         }
 
         protected HardwareVersion _hardwareversion;
@@ -665,9 +881,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversion = value; RaisePropertyChanged(nameof(HardwareVersion)); 
-            }
+                if (_hardwareversion != value)
+                {
+                    _hardwareversion = value;
+
+                    HardwareVersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HardwareVersion)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareMotorType.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareMotorType.cs
index 51c52142a..73a196a4c 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareMotorType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareMotorType.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class HardwareMotorType : ObservableEntity<HardwareMotorType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<Boolean> SupportsHomingChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwareMotor>> HardwareMotorsChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +52,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +80,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +108,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected Boolean _supportshoming;
@@ -108,9 +136,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _supportshoming = value; RaisePropertyChanged(nameof(SupportsHoming)); 
-            }
+                if (_supportshoming != value)
+                {
+                    _supportshoming = value;
 
+                    SupportsHomingChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(SupportsHoming)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwareMotor> _hardwaremotors;
@@ -128,9 +162,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwaremotors = value; RaisePropertyChanged(nameof(HardwareMotors)); 
-            }
+                if (_hardwaremotors != value)
+                {
+                    _hardwaremotors = value;
 
+                    HardwareMotorsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareMotors)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwarePidControl.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwarePidControl.cs
index f93a85b53..a97a0f84e 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwarePidControl.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwarePidControl.cs
@@ -25,6 +25,50 @@ namespace Tango.BL.Entities
     public partial class HardwarePidControl : ObservableEntity<HardwarePidControl>
     {
 
+        public event EventHandler<Double> OutputProportionalPowerLimitChanged;
+
+        public event EventHandler<Double> OutputProportionalBandChanged;
+
+        public event EventHandler<Double> IntegralTimeChanged;
+
+        public event EventHandler<Double> DerivativeTimeChanged;
+
+        public event EventHandler<Double> SensorCorrectionAdjustmentChanged;
+
+        public event EventHandler<Double> SensorMinValueChanged;
+
+        public event EventHandler<Double> SensorMaxValueChanged;
+
+        public event EventHandler<Double> SetPointRampRateorSoftStartRampChanged;
+
+        public event EventHandler<Double> SetPointControlOutputRateChanged;
+
+        public event EventHandler<Double> ControlOutputTypeChanged;
+
+        public event EventHandler<Double> SsrControlOutputTypeChanged;
+
+        public event EventHandler<Double> OutputOnOffHysteresisValueChanged;
+
+        public event EventHandler<Double> ProcessVariableSamplingRateChanged;
+
+        public event EventHandler<Double> PvInputFilterFactorModeChanged;
+
+        public event EventHandler<Int32> OutputProportionalCycleTimeChanged;
+
+        public event EventHandler<Int32> AcHeatersHalfCycleTimeChanged;
+
+        public event EventHandler<Double> ProportionalGainChanged;
+
+        public event EventHandler<Boolean> PidActiveChanged;
+
+        public event EventHandler<Double> EpsilonChanged;
+
+        public event EventHandler<Boolean> ActiveChanged;
+
+        public event EventHandler<HardwarePidControlType> HardwarePidControlTypeChanged;
+
+        public event EventHandler<HardwareVersion> HardwareVersionChanged;
+
         protected String _hardwarepidcontroltypeguid;
 
         /// <summary>
@@ -43,9 +87,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarepidcontroltypeguid = value; RaisePropertyChanged(nameof(HardwarePidControlTypeGuid)); 
+                if (_hardwarepidcontroltypeguid != value)
+                {
+                    _hardwarepidcontroltypeguid = value;
+                    RaisePropertyChanged(nameof(HardwarePidControlTypeGuid)); 
+                }
             }
-
         }
 
         protected String _hardwareversionguid;
@@ -66,9 +113,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversionguid = value; RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                if (_hardwareversionguid != value)
+                {
+                    _hardwareversionguid = value;
+                    RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                }
             }
-
         }
 
         protected Double _outputproportionalpowerlimit;
@@ -88,9 +138,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _outputproportionalpowerlimit = value; RaisePropertyChanged(nameof(OutputProportionalPowerLimit)); 
-            }
+                if (_outputproportionalpowerlimit != value)
+                {
+                    _outputproportionalpowerlimit = value;
+
+                    OutputProportionalPowerLimitChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(OutputProportionalPowerLimit)); 
+                }
+            }
         }
 
         protected Double _outputproportionalband;
@@ -110,9 +166,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _outputproportionalband = value; RaisePropertyChanged(nameof(OutputProportionalBand)); 
-            }
+                if (_outputproportionalband != value)
+                {
+                    _outputproportionalband = value;
+
+                    OutputProportionalBandChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(OutputProportionalBand)); 
+                }
+            }
         }
 
         protected Double _integraltime;
@@ -132,9 +194,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _integraltime = value; RaisePropertyChanged(nameof(IntegralTime)); 
-            }
+                if (_integraltime != value)
+                {
+                    _integraltime = value;
+
+                    IntegralTimeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(IntegralTime)); 
+                }
+            }
         }
 
         protected Double _derivativetime;
@@ -154,9 +222,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _derivativetime = value; RaisePropertyChanged(nameof(DerivativeTime)); 
-            }
+                if (_derivativetime != value)
+                {
+                    _derivativetime = value;
 
+                    DerivativeTimeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(DerivativeTime)); 
+                }
+            }
         }
 
         protected Double _sensorcorrectionadjustment;
@@ -176,9 +250,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _sensorcorrectionadjustment = value; RaisePropertyChanged(nameof(SensorCorrectionAdjustment)); 
-            }
+                if (_sensorcorrectionadjustment != value)
+                {
+                    _sensorcorrectionadjustment = value;
 
+                    SensorCorrectionAdjustmentChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(SensorCorrectionAdjustment)); 
+                }
+            }
         }
 
         protected Double _sensorminvalue;
@@ -198,9 +278,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _sensorminvalue = value; RaisePropertyChanged(nameof(SensorMinValue)); 
-            }
+                if (_sensorminvalue != value)
+                {
+                    _sensorminvalue = value;
 
+                    SensorMinValueChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(SensorMinValue)); 
+                }
+            }
         }
 
         protected Double _sensormaxvalue;
@@ -220,9 +306,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _sensormaxvalue = value; RaisePropertyChanged(nameof(SensorMaxValue)); 
-            }
+                if (_sensormaxvalue != value)
+                {
+                    _sensormaxvalue = value;
 
+                    SensorMaxValueChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(SensorMaxValue)); 
+                }
+            }
         }
 
         protected Double _setpointramprateorsoftstartramp;
@@ -242,9 +334,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _setpointramprateorsoftstartramp = value; RaisePropertyChanged(nameof(SetPointRampRateorSoftStartRamp)); 
-            }
+                if (_setpointramprateorsoftstartramp != value)
+                {
+                    _setpointramprateorsoftstartramp = value;
+
+                    SetPointRampRateorSoftStartRampChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(SetPointRampRateorSoftStartRamp)); 
+                }
+            }
         }
 
         protected Double _setpointcontroloutputrate;
@@ -264,9 +362,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _setpointcontroloutputrate = value; RaisePropertyChanged(nameof(SetPointControlOutputRate)); 
-            }
+                if (_setpointcontroloutputrate != value)
+                {
+                    _setpointcontroloutputrate = value;
+
+                    SetPointControlOutputRateChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(SetPointControlOutputRate)); 
+                }
+            }
         }
 
         protected Double _controloutputtype;
@@ -286,9 +390,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _controloutputtype = value; RaisePropertyChanged(nameof(ControlOutputType)); 
-            }
+                if (_controloutputtype != value)
+                {
+                    _controloutputtype = value;
+
+                    ControlOutputTypeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ControlOutputType)); 
+                }
+            }
         }
 
         protected Double _ssrcontroloutputtype;
@@ -308,9 +418,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _ssrcontroloutputtype = value; RaisePropertyChanged(nameof(SsrControlOutputType)); 
-            }
+                if (_ssrcontroloutputtype != value)
+                {
+                    _ssrcontroloutputtype = value;
+
+                    SsrControlOutputTypeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(SsrControlOutputType)); 
+                }
+            }
         }
 
         protected Double _outputonoffhysteresisvalue;
@@ -330,9 +446,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _outputonoffhysteresisvalue = value; RaisePropertyChanged(nameof(OutputOnOffHysteresisValue)); 
-            }
+                if (_outputonoffhysteresisvalue != value)
+                {
+                    _outputonoffhysteresisvalue = value;
+
+                    OutputOnOffHysteresisValueChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(OutputOnOffHysteresisValue)); 
+                }
+            }
         }
 
         protected Double _processvariablesamplingrate;
@@ -352,9 +474,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _processvariablesamplingrate = value; RaisePropertyChanged(nameof(ProcessVariableSamplingRate)); 
-            }
+                if (_processvariablesamplingrate != value)
+                {
+                    _processvariablesamplingrate = value;
+
+                    ProcessVariableSamplingRateChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ProcessVariableSamplingRate)); 
+                }
+            }
         }
 
         protected Double _pvinputfilterfactormode;
@@ -374,9 +502,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _pvinputfilterfactormode = value; RaisePropertyChanged(nameof(PvInputFilterFactorMode)); 
-            }
+                if (_pvinputfilterfactormode != value)
+                {
+                    _pvinputfilterfactormode = value;
+
+                    PvInputFilterFactorModeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(PvInputFilterFactorMode)); 
+                }
+            }
         }
 
         protected Int32 _outputproportionalcycletime;
@@ -396,9 +530,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _outputproportionalcycletime = value; RaisePropertyChanged(nameof(OutputProportionalCycleTime)); 
-            }
+                if (_outputproportionalcycletime != value)
+                {
+                    _outputproportionalcycletime = value;
+
+                    OutputProportionalCycleTimeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(OutputProportionalCycleTime)); 
+                }
+            }
         }
 
         protected Int32 _acheatershalfcycletime;
@@ -418,9 +558,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _acheatershalfcycletime = value; RaisePropertyChanged(nameof(AcHeatersHalfCycleTime)); 
-            }
+                if (_acheatershalfcycletime != value)
+                {
+                    _acheatershalfcycletime = value;
+
+                    AcHeatersHalfCycleTimeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(AcHeatersHalfCycleTime)); 
+                }
+            }
         }
 
         protected Double _proportionalgain;
@@ -440,9 +586,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _proportionalgain = value; RaisePropertyChanged(nameof(ProportionalGain)); 
-            }
+                if (_proportionalgain != value)
+                {
+                    _proportionalgain = value;
+
+                    ProportionalGainChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ProportionalGain)); 
+                }
+            }
         }
 
         protected Boolean _pidactive;
@@ -462,9 +614,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _pidactive = value; RaisePropertyChanged(nameof(PidActive)); 
-            }
+                if (_pidactive != value)
+                {
+                    _pidactive = value;
+
+                    PidActiveChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(PidActive)); 
+                }
+            }
         }
 
         protected Double _epsilon;
@@ -484,9 +642,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _epsilon = value; RaisePropertyChanged(nameof(Epsilon)); 
-            }
+                if (_epsilon != value)
+                {
+                    _epsilon = value;
 
+                    EpsilonChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Epsilon)); 
+                }
+            }
         }
 
         protected Boolean _active;
@@ -506,9 +670,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _active = value; RaisePropertyChanged(nameof(Active)); 
-            }
+                if (_active != value)
+                {
+                    _active = value;
 
+                    ActiveChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Active)); 
+                }
+            }
         }
 
         protected HardwarePidControlType _hardwarepidcontroltype;
@@ -528,9 +698,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarepidcontroltype = value; RaisePropertyChanged(nameof(HardwarePidControlType)); 
-            }
+                if (_hardwarepidcontroltype != value)
+                {
+                    _hardwarepidcontroltype = value;
 
+                    HardwarePidControlTypeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwarePidControlType)); 
+                }
+            }
         }
 
         protected HardwareVersion _hardwareversion;
@@ -550,9 +726,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversion = value; RaisePropertyChanged(nameof(HardwareVersion)); 
-            }
+                if (_hardwareversion != value)
+                {
+                    _hardwareversion = value;
 
+                    HardwareVersionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareVersion)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwarePidControlType.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwarePidControlType.cs
index fc90c3898..6b49f8967 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwarePidControlType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwarePidControlType.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class HardwarePidControlType : ObservableEntity<HardwarePidControlType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwarePidControl>> HardwarePidControlsChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +50,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwarePidControl> _hardwarepidcontrols;
@@ -106,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarepidcontrols = value; RaisePropertyChanged(nameof(HardwarePidControls)); 
-            }
+                if (_hardwarepidcontrols != value)
+                {
+                    _hardwarepidcontrols = value;
 
+                    HardwarePidControlsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwarePidControls)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareSpeedSensor.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareSpeedSensor.cs
index d0c394586..74c2a55d3 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareSpeedSensor.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareSpeedSensor.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class HardwareSpeedSensor : ObservableEntity<HardwareSpeedSensor>
     {
 
+        public event EventHandler<Int32> ResolutionBitsChanged;
+
+        public event EventHandler<Double> PerimeterChanged;
+
+        public event EventHandler<Boolean> ActiveChanged;
+
+        public event EventHandler<HardwareSpeedSensorType> HardwareSpeedSensorTypeChanged;
+
+        public event EventHandler<HardwareVersion> HardwareVersionChanged;
+
         protected String _hardwarespeedsensortypeguid;
 
         /// <summary>
@@ -43,9 +53,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarespeedsensortypeguid = value; RaisePropertyChanged(nameof(HardwareSpeedSensorTypeGuid)); 
+                if (_hardwarespeedsensortypeguid != value)
+                {
+                    _hardwarespeedsensortypeguid = value;
+                    RaisePropertyChanged(nameof(HardwareSpeedSensorTypeGuid)); 
+                }
             }
-
         }
 
         protected String _hardwareversionguid;
@@ -66,9 +79,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversionguid = value; RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                if (_hardwareversionguid != value)
+                {
+                    _hardwareversionguid = value;
+                    RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                }
             }
-
         }
 
         protected Int32 _resolutionbits;
@@ -88,9 +104,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _resolutionbits = value; RaisePropertyChanged(nameof(ResolutionBits)); 
-            }
+                if (_resolutionbits != value)
+                {
+                    _resolutionbits = value;
+
+                    ResolutionBitsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ResolutionBits)); 
+                }
+            }
         }
 
         protected Double _perimeter;
@@ -110,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _perimeter = value; RaisePropertyChanged(nameof(Perimeter)); 
-            }
+                if (_perimeter != value)
+                {
+                    _perimeter = value;
 
+                    PerimeterChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Perimeter)); 
+                }
+            }
         }
 
         protected Boolean _active;
@@ -132,9 +160,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _active = value; RaisePropertyChanged(nameof(Active)); 
-            }
+                if (_active != value)
+                {
+                    _active = value;
 
+                    ActiveChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Active)); 
+                }
+            }
         }
 
         protected HardwareSpeedSensorType _hardwarespeedsensortype;
@@ -154,9 +188,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarespeedsensortype = value; RaisePropertyChanged(nameof(HardwareSpeedSensorType)); 
-            }
+                if (_hardwarespeedsensortype != value)
+                {
+                    _hardwarespeedsensortype = value;
 
+                    HardwareSpeedSensorTypeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareSpeedSensorType)); 
+                }
+            }
         }
 
         protected HardwareVersion _hardwareversion;
@@ -176,9 +216,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversion = value; RaisePropertyChanged(nameof(HardwareVersion)); 
-            }
+                if (_hardwareversion != value)
+                {
+                    _hardwareversion = value;
 
+                    HardwareVersionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareVersion)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareSpeedSensorType.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareSpeedSensorType.cs
index 5efddd114..0f5c329fc 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareSpeedSensorType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareSpeedSensorType.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class HardwareSpeedSensorType : ObservableEntity<HardwareSpeedSensorType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwareSpeedSensor>> HardwareSpeedSensorsChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +50,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwareSpeedSensor> _hardwarespeedsensors;
@@ -106,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarespeedsensors = value; RaisePropertyChanged(nameof(HardwareSpeedSensors)); 
-            }
+                if (_hardwarespeedsensors != value)
+                {
+                    _hardwarespeedsensors = value;
 
+                    HardwareSpeedSensorsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareSpeedSensors)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareVersion.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareVersion.cs
index be855f1e1..f3af7d91f 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareVersion.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareVersion.cs
@@ -25,6 +25,26 @@ namespace Tango.BL.Entities
     public partial class HardwareVersion : ObservableEntity<HardwareVersion>
     {
 
+        public event EventHandler<Double> VersionChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Configuration>> ConfigurationsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwareBlower>> HardwareBlowersChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwareBreakSensor>> HardwareBreakSensorsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwareDancer>> HardwareDancersChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwareMotor>> HardwareMotorsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwarePidControl>> HardwarePidControlsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwareSpeedSensor>> HardwareSpeedSensorsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwareWinder>> HardwareWindersChanged;
+
         protected Double _version;
 
         /// <summary>
@@ -42,9 +62,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _version = value; RaisePropertyChanged(nameof(Version)); 
-            }
+                if (_version != value)
+                {
+                    _version = value;
+
+                    VersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Version)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +90,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Configuration> _configurations;
@@ -84,9 +116,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _configurations = value; RaisePropertyChanged(nameof(Configurations)); 
-            }
+                if (_configurations != value)
+                {
+                    _configurations = value;
+
+                    ConfigurationsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Configurations)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwareBlower> _hardwareblowers;
@@ -104,9 +142,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareblowers = value; RaisePropertyChanged(nameof(HardwareBlowers)); 
-            }
+                if (_hardwareblowers != value)
+                {
+                    _hardwareblowers = value;
 
+                    HardwareBlowersChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareBlowers)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwareBreakSensor> _hardwarebreaksensors;
@@ -124,9 +168,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarebreaksensors = value; RaisePropertyChanged(nameof(HardwareBreakSensors)); 
-            }
+                if (_hardwarebreaksensors != value)
+                {
+                    _hardwarebreaksensors = value;
 
+                    HardwareBreakSensorsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareBreakSensors)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwareDancer> _hardwaredancers;
@@ -144,9 +194,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwaredancers = value; RaisePropertyChanged(nameof(HardwareDancers)); 
-            }
+                if (_hardwaredancers != value)
+                {
+                    _hardwaredancers = value;
+
+                    HardwareDancersChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HardwareDancers)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwareMotor> _hardwaremotors;
@@ -164,9 +220,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwaremotors = value; RaisePropertyChanged(nameof(HardwareMotors)); 
-            }
+                if (_hardwaremotors != value)
+                {
+                    _hardwaremotors = value;
+
+                    HardwareMotorsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HardwareMotors)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwarePidControl> _hardwarepidcontrols;
@@ -184,9 +246,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarepidcontrols = value; RaisePropertyChanged(nameof(HardwarePidControls)); 
-            }
+                if (_hardwarepidcontrols != value)
+                {
+                    _hardwarepidcontrols = value;
+
+                    HardwarePidControlsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HardwarePidControls)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwareSpeedSensor> _hardwarespeedsensors;
@@ -204,9 +272,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarespeedsensors = value; RaisePropertyChanged(nameof(HardwareSpeedSensors)); 
-            }
+                if (_hardwarespeedsensors != value)
+                {
+                    _hardwarespeedsensors = value;
 
+                    HardwareSpeedSensorsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareSpeedSensors)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwareWinder> _hardwarewinders;
@@ -224,9 +298,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarewinders = value; RaisePropertyChanged(nameof(HardwareWinders)); 
-            }
+                if (_hardwarewinders != value)
+                {
+                    _hardwarewinders = value;
 
+                    HardwareWindersChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareWinders)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareWinder.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareWinder.cs
index 11252cb69..c6b7423c3 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareWinder.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareWinder.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class HardwareWinder : ObservableEntity<HardwareWinder>
     {
 
+        public event EventHandler<Int32> MillimeterPerRotationChanged;
+
+        public event EventHandler<Boolean> ActiveChanged;
+
+        public event EventHandler<HardwareVersion> HardwareVersionChanged;
+
+        public event EventHandler<HardwareWinderType> HardwareWinderTypeChanged;
+
         protected String _hardwarewindertypeguid;
 
         /// <summary>
@@ -43,9 +51,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarewindertypeguid = value; RaisePropertyChanged(nameof(HardwareWinderTypeGuid)); 
+                if (_hardwarewindertypeguid != value)
+                {
+                    _hardwarewindertypeguid = value;
+                    RaisePropertyChanged(nameof(HardwareWinderTypeGuid)); 
+                }
             }
-
         }
 
         protected String _hardwareversionguid;
@@ -66,9 +77,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversionguid = value; RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                if (_hardwareversionguid != value)
+                {
+                    _hardwareversionguid = value;
+                    RaisePropertyChanged(nameof(HardwareVersionGuid)); 
+                }
             }
-
         }
 
         protected Int32 _millimeterperrotation;
@@ -88,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _millimeterperrotation = value; RaisePropertyChanged(nameof(MillimeterPerRotation)); 
-            }
+                if (_millimeterperrotation != value)
+                {
+                    _millimeterperrotation = value;
 
+                    MillimeterPerRotationChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(MillimeterPerRotation)); 
+                }
+            }
         }
 
         protected Boolean _active;
@@ -110,9 +130,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _active = value; RaisePropertyChanged(nameof(Active)); 
-            }
+                if (_active != value)
+                {
+                    _active = value;
+
+                    ActiveChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Active)); 
+                }
+            }
         }
 
         protected HardwareVersion _hardwareversion;
@@ -132,9 +158,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwareversion = value; RaisePropertyChanged(nameof(HardwareVersion)); 
-            }
+                if (_hardwareversion != value)
+                {
+                    _hardwareversion = value;
+
+                    HardwareVersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HardwareVersion)); 
+                }
+            }
         }
 
         protected HardwareWinderType _hardwarewindertype;
@@ -154,9 +186,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarewindertype = value; RaisePropertyChanged(nameof(HardwareWinderType)); 
-            }
+                if (_hardwarewindertype != value)
+                {
+                    _hardwarewindertype = value;
 
+                    HardwareWinderTypeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareWinderType)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HardwareWinderType.cs b/Software/Visual_Studio/Tango.BL/Entities/HardwareWinderType.cs
index 5c699e656..e1e4ec960 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HardwareWinderType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HardwareWinderType.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class HardwareWinderType : ObservableEntity<HardwareWinderType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<HardwareWinder>> HardwareWindersChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +50,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<HardwareWinder> _hardwarewinders;
@@ -106,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hardwarewinders = value; RaisePropertyChanged(nameof(HardwareWinders)); 
-            }
+                if (_hardwarewinders != value)
+                {
+                    _hardwarewinders = value;
 
+                    HardwareWindersChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HardwareWinders)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/HtmlPage.cs b/Software/Visual_Studio/Tango.BL/Entities/HtmlPage.cs
index f5be6afba..0f630751e 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/HtmlPage.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/HtmlPage.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class HtmlPage : ObservableEntity<HtmlPage>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<String> HtmlChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<EventType>> EventTypesChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +52,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +80,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +108,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected String _html;
@@ -108,9 +136,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _html = value; RaisePropertyChanged(nameof(Html)); 
-            }
+                if (_html != value)
+                {
+                    _html = value;
 
+                    HtmlChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Html)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<EventType> _eventtypes;
@@ -128,9 +162,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtypes = value; RaisePropertyChanged(nameof(EventTypes)); 
-            }
+                if (_eventtypes != value)
+                {
+                    _eventtypes = value;
 
+                    EventTypesChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(EventTypes)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/IdsPack.cs b/Software/Visual_Studio/Tango.BL/Entities/IdsPack.cs
index 7b3c40312..ffb7a9c3d 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/IdsPack.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/IdsPack.cs
@@ -25,6 +25,24 @@ namespace Tango.BL.Entities
     public partial class IdsPack : ObservableEntity<IdsPack>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Int32> PackIndexChanged;
+
+        public event EventHandler<Boolean> IsEmptyChanged;
+
+        public event EventHandler<CartridgeType> CartridgeTypeChanged;
+
+        public event EventHandler<Configuration> ConfigurationChanged;
+
+        public event EventHandler<DispenserType> DispenserTypeChanged;
+
+        public event EventHandler<IdsPackFormula> IdsPackFormulaChanged;
+
+        public event EventHandler<LiquidType> LiquidTypeChanged;
+
+        public event EventHandler<MidTankType> MidTankTypeChanged;
+
         protected String _configurationguid;
 
         /// <summary>
@@ -43,9 +61,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _configurationguid = value; RaisePropertyChanged(nameof(ConfigurationGuid)); 
+                if (_configurationguid != value)
+                {
+                    _configurationguid = value;
+                    RaisePropertyChanged(nameof(ConfigurationGuid)); 
+                }
             }
-
         }
 
         protected String _dispensertypeguid;
@@ -66,9 +87,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _dispensertypeguid = value; RaisePropertyChanged(nameof(DispenserTypeGuid)); 
+                if (_dispensertypeguid != value)
+                {
+                    _dispensertypeguid = value;
+                    RaisePropertyChanged(nameof(DispenserTypeGuid)); 
+                }
             }
-
         }
 
         protected String _liquidtypeguid;
@@ -89,9 +113,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _liquidtypeguid = value; RaisePropertyChanged(nameof(LiquidTypeGuid)); 
+                if (_liquidtypeguid != value)
+                {
+                    _liquidtypeguid = value;
+                    RaisePropertyChanged(nameof(LiquidTypeGuid)); 
+                }
             }
-
         }
 
         protected String _cartridgetypeguid;
@@ -112,9 +139,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _cartridgetypeguid = value; RaisePropertyChanged(nameof(CartridgeTypeGuid)); 
+                if (_cartridgetypeguid != value)
+                {
+                    _cartridgetypeguid = value;
+                    RaisePropertyChanged(nameof(CartridgeTypeGuid)); 
+                }
             }
-
         }
 
         protected String _midtanktypeguid;
@@ -135,9 +165,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _midtanktypeguid = value; RaisePropertyChanged(nameof(MidTankTypeGuid)); 
+                if (_midtanktypeguid != value)
+                {
+                    _midtanktypeguid = value;
+                    RaisePropertyChanged(nameof(MidTankTypeGuid)); 
+                }
             }
-
         }
 
         protected String _idspackformulaguid;
@@ -158,9 +191,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _idspackformulaguid = value; RaisePropertyChanged(nameof(IdsPackFormulaGuid)); 
+                if (_idspackformulaguid != value)
+                {
+                    _idspackformulaguid = value;
+                    RaisePropertyChanged(nameof(IdsPackFormulaGuid)); 
+                }
             }
-
         }
 
         protected String _name;
@@ -180,9 +216,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Int32 _packindex;
@@ -202,9 +244,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _packindex = value; RaisePropertyChanged(nameof(PackIndex)); 
-            }
+                if (_packindex != value)
+                {
+                    _packindex = value;
 
+                    PackIndexChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(PackIndex)); 
+                }
+            }
         }
 
         protected Boolean _isempty;
@@ -224,9 +272,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _isempty = value; RaisePropertyChanged(nameof(IsEmpty)); 
-            }
+                if (_isempty != value)
+                {
+                    _isempty = value;
+
+                    IsEmptyChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(IsEmpty)); 
+                }
+            }
         }
 
         protected CartridgeType _cartridgetype;
@@ -246,9 +300,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _cartridgetype = value; RaisePropertyChanged(nameof(CartridgeType)); 
-            }
+                if (_cartridgetype != value)
+                {
+                    _cartridgetype = value;
+
+                    CartridgeTypeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(CartridgeType)); 
+                }
+            }
         }
 
         protected Configuration _configuration;
@@ -268,9 +328,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _configuration = value; RaisePropertyChanged(nameof(Configuration)); 
-            }
+                if (_configuration != value)
+                {
+                    _configuration = value;
+
+                    ConfigurationChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Configuration)); 
+                }
+            }
         }
 
         protected DispenserType _dispensertype;
@@ -290,9 +356,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _dispensertype = value; RaisePropertyChanged(nameof(DispenserType)); 
-            }
+                if (_dispensertype != value)
+                {
+                    _dispensertype = value;
+
+                    DispenserTypeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(DispenserType)); 
+                }
+            }
         }
 
         protected IdsPackFormula _idspackformula;
@@ -312,9 +384,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _idspackformula = value; RaisePropertyChanged(nameof(IdsPackFormula)); 
-            }
+                if (_idspackformula != value)
+                {
+                    _idspackformula = value;
+
+                    IdsPackFormulaChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(IdsPackFormula)); 
+                }
+            }
         }
 
         protected LiquidType _liquidtype;
@@ -334,9 +412,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _liquidtype = value; RaisePropertyChanged(nameof(LiquidType)); 
-            }
+                if (_liquidtype != value)
+                {
+                    _liquidtype = value;
 
+                    LiquidTypeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(LiquidType)); 
+                }
+            }
         }
 
         protected MidTankType _midtanktype;
@@ -356,9 +440,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _midtanktype = value; RaisePropertyChanged(nameof(MidTankType)); 
-            }
+                if (_midtanktype != value)
+                {
+                    _midtanktype = value;
 
+                    MidTankTypeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(MidTankType)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/IdsPackFormula.cs b/Software/Visual_Studio/Tango.BL/Entities/IdsPackFormula.cs
index e1083b8b1..40b410190 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/IdsPackFormula.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/IdsPackFormula.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class IdsPackFormula : ObservableEntity<IdsPackFormula>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<Boolean> AutoCalculatedChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<IdsPack>> IdsPacksChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +52,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +80,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +108,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected Boolean _autocalculated;
@@ -108,9 +136,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _autocalculated = value; RaisePropertyChanged(nameof(AutoCalculated)); 
-            }
+                if (_autocalculated != value)
+                {
+                    _autocalculated = value;
 
+                    AutoCalculatedChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(AutoCalculated)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<IdsPack> _idspacks;
@@ -128,9 +162,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _idspacks = value; RaisePropertyChanged(nameof(IdsPacks)); 
-            }
+                if (_idspacks != value)
+                {
+                    _idspacks = value;
 
+                    IdsPacksChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(IdsPacks)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Job.cs b/Software/Visual_Studio/Tango.BL/Entities/Job.cs
index 2e809f56f..23fb99119 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Job.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Job.cs
@@ -30,6 +30,74 @@ namespace Tango.BL.Entities
     public partial class Job : ObservableEntity<Job>
     {
 
+        public event EventHandler<DateTime> CreationDateChanged;
+
+        public event EventHandler<Nullable<DateTime>> LastRunChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<Double> InterSegmentLengthChanged;
+
+        public event EventHandler<Boolean> EnableInterSegmentChanged;
+
+        public event EventHandler<Boolean> EnableLubricationChanged;
+
+        public event EventHandler<Int32> JobIndexChanged;
+
+        public event EventHandler<Int32> EstimatedDurationMiliChanged;
+
+        public event EventHandler<Boolean> HasEmbroideryFileChanged;
+
+        public event EventHandler<Byte[]> EmbroideryFileDataChanged;
+
+        public event EventHandler<String> EmbroideryFileNameChanged;
+
+        public event EventHandler<Byte[]> EmbroideryJpegChanged;
+
+        public event EventHandler<Int32> StatusChanged;
+
+        public event EventHandler<Int32> NumberOfUnitsChanged;
+
+        public event EventHandler<Int32> TypeChanged;
+
+        public event EventHandler<Int32> SpoolsDistributionChanged;
+
+        public event EventHandler<Int32> NumberOfHeadsChanged;
+
+        public event EventHandler<Int32> SampleUnitsOrMetersChanged;
+
+        public event EventHandler<Int32> FineTuningStatusChanged;
+
+        public event EventHandler<Nullable<DateTime>> FineTuningApproveDateChanged;
+
+        public event EventHandler<Int32> SampleDyeStatusChanged;
+
+        public event EventHandler<Nullable<DateTime>> SampleDyeApproveDateChanged;
+
+        public event EventHandler<Int32> EditingStateChanged;
+
+        public event EventHandler<Double> LengthPercentageFactorChanged;
+
+        public event EventHandler<ColorSpace> ColorSpaceChanged;
+
+        public event EventHandler<Customer> CustomerChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<JobRun>> JobRunsChanged;
+
+        public event EventHandler<Machine> MachineChanged;
+
+        public event EventHandler<Rml> RmlChanged;
+
+        public event EventHandler<SpoolType> SpoolTypeChanged;
+
+        public event EventHandler<User> UserChanged;
+
+        public event EventHandler<WindingMethod> WindingMethodChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Segment>> SegmentsChanged;
+
         protected DateTime _creationdate;
 
         /// <summary>
@@ -47,9 +115,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _creationdate = value; RaisePropertyChanged(nameof(CreationDate)); 
-            }
+                if (_creationdate != value)
+                {
+                    _creationdate = value;
+
+                    CreationDateChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(CreationDate)); 
+                }
+            }
         }
 
         protected Nullable<DateTime> _lastrun;
@@ -69,9 +143,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _lastrun = value; RaisePropertyChanged(nameof(LastRun)); 
-            }
+                if (_lastrun != value)
+                {
+                    _lastrun = value;
+
+                    LastRunChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(LastRun)); 
+                }
+            }
         }
 
         protected String _machineguid;
@@ -92,9 +172,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machineguid = value; RaisePropertyChanged(nameof(MachineGuid)); 
+                if (_machineguid != value)
+                {
+                    _machineguid = value;
+                    RaisePropertyChanged(nameof(MachineGuid)); 
+                }
             }
-
         }
 
         protected String _userguid;
@@ -115,9 +198,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _userguid = value; RaisePropertyChanged(nameof(UserGuid)); 
+                if (_userguid != value)
+                {
+                    _userguid = value;
+                    RaisePropertyChanged(nameof(UserGuid)); 
+                }
             }
-
         }
 
         protected String _rmlguid;
@@ -138,9 +224,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rmlguid = value; RaisePropertyChanged(nameof(RmlGuid)); 
+                if (_rmlguid != value)
+                {
+                    _rmlguid = value;
+                    RaisePropertyChanged(nameof(RmlGuid)); 
+                }
             }
-
         }
 
         protected String _windingmethodguid;
@@ -161,9 +250,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _windingmethodguid = value; RaisePropertyChanged(nameof(WindingMethodGuid)); 
+                if (_windingmethodguid != value)
+                {
+                    _windingmethodguid = value;
+                    RaisePropertyChanged(nameof(WindingMethodGuid)); 
+                }
             }
-
         }
 
         protected String _spooltypeguid;
@@ -184,9 +276,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _spooltypeguid = value; RaisePropertyChanged(nameof(SpoolTypeGuid)); 
+                if (_spooltypeguid != value)
+                {
+                    _spooltypeguid = value;
+                    RaisePropertyChanged(nameof(SpoolTypeGuid)); 
+                }
             }
-
         }
 
         protected String _name;
@@ -206,9 +301,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -228,9 +329,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected Double _intersegmentlength;
@@ -250,9 +357,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _intersegmentlength = value; RaisePropertyChanged(nameof(InterSegmentLength)); 
-            }
+                if (_intersegmentlength != value)
+                {
+                    _intersegmentlength = value;
 
+                    InterSegmentLengthChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(InterSegmentLength)); 
+                }
+            }
         }
 
         protected Boolean _enableintersegment;
@@ -272,9 +385,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _enableintersegment = value; RaisePropertyChanged(nameof(EnableInterSegment)); 
-            }
+                if (_enableintersegment != value)
+                {
+                    _enableintersegment = value;
+
+                    EnableInterSegmentChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(EnableInterSegment)); 
+                }
+            }
         }
 
         protected Boolean _enablelubrication;
@@ -294,9 +413,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _enablelubrication = value; RaisePropertyChanged(nameof(EnableLubrication)); 
-            }
+                if (_enablelubrication != value)
+                {
+                    _enablelubrication = value;
+
+                    EnableLubricationChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(EnableLubrication)); 
+                }
+            }
         }
 
         protected Int32 _jobindex;
@@ -316,9 +441,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _jobindex = value; RaisePropertyChanged(nameof(JobIndex)); 
-            }
+                if (_jobindex != value)
+                {
+                    _jobindex = value;
 
+                    JobIndexChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(JobIndex)); 
+                }
+            }
         }
 
         protected Int32 _estimateddurationmili;
@@ -338,9 +469,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _estimateddurationmili = value; RaisePropertyChanged(nameof(EstimatedDurationMili)); 
-            }
+                if (_estimateddurationmili != value)
+                {
+                    _estimateddurationmili = value;
+
+                    EstimatedDurationMiliChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(EstimatedDurationMili)); 
+                }
+            }
         }
 
         protected Boolean _hasembroideryfile;
@@ -360,9 +497,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hasembroideryfile = value; RaisePropertyChanged(nameof(HasEmbroideryFile)); 
-            }
+                if (_hasembroideryfile != value)
+                {
+                    _hasembroideryfile = value;
+
+                    HasEmbroideryFileChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HasEmbroideryFile)); 
+                }
+            }
         }
 
         protected Byte[] _embroideryfiledata;
@@ -382,9 +525,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _embroideryfiledata = value; RaisePropertyChanged(nameof(EmbroideryFileData)); 
-            }
+                if (_embroideryfiledata != value)
+                {
+                    _embroideryfiledata = value;
 
+                    EmbroideryFileDataChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(EmbroideryFileData)); 
+                }
+            }
         }
 
         protected String _embroideryfilename;
@@ -404,9 +553,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _embroideryfilename = value; RaisePropertyChanged(nameof(EmbroideryFileName)); 
-            }
+                if (_embroideryfilename != value)
+                {
+                    _embroideryfilename = value;
+
+                    EmbroideryFileNameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(EmbroideryFileName)); 
+                }
+            }
         }
 
         protected Byte[] _embroideryjpeg;
@@ -426,9 +581,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _embroideryjpeg = value; RaisePropertyChanged(nameof(EmbroideryJpeg)); 
-            }
+                if (_embroideryjpeg != value)
+                {
+                    _embroideryjpeg = value;
+
+                    EmbroideryJpegChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(EmbroideryJpeg)); 
+                }
+            }
         }
 
         protected Int32 _status;
@@ -450,9 +611,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _status = value; RaisePropertyChanged(nameof(Status)); 
-            }
+                if (_status != value)
+                {
+                    _status = value;
 
+                    StatusChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Status)); 
+                }
+            }
         }
 
         protected String _colorspaceguid;
@@ -473,9 +640,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _colorspaceguid = value; RaisePropertyChanged(nameof(ColorSpaceGuid)); 
+                if (_colorspaceguid != value)
+                {
+                    _colorspaceguid = value;
+                    RaisePropertyChanged(nameof(ColorSpaceGuid)); 
+                }
             }
-
         }
 
         protected Int32 _numberofunits;
@@ -495,9 +665,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _numberofunits = value; RaisePropertyChanged(nameof(NumberOfUnits)); 
-            }
+                if (_numberofunits != value)
+                {
+                    _numberofunits = value;
+
+                    NumberOfUnitsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(NumberOfUnits)); 
+                }
+            }
         }
 
         protected Int32 _type;
@@ -518,9 +694,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _type = value; RaisePropertyChanged(nameof(Type)); 
-            }
+                if (_type != value)
+                {
+                    _type = value;
 
+                    TypeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Type)); 
+                }
+            }
         }
 
         protected String _customerguid;
@@ -541,9 +723,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _customerguid = value; RaisePropertyChanged(nameof(CustomerGuid)); 
+                if (_customerguid != value)
+                {
+                    _customerguid = value;
+                    RaisePropertyChanged(nameof(CustomerGuid)); 
+                }
             }
-
         }
 
         protected Int32 _spoolsdistribution;
@@ -564,9 +749,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _spoolsdistribution = value; RaisePropertyChanged(nameof(SpoolsDistribution)); 
-            }
+                if (_spoolsdistribution != value)
+                {
+                    _spoolsdistribution = value;
 
+                    SpoolsDistributionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(SpoolsDistribution)); 
+                }
+            }
         }
 
         protected Int32 _numberofheads;
@@ -586,9 +777,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _numberofheads = value; RaisePropertyChanged(nameof(NumberOfHeads)); 
-            }
+                if (_numberofheads != value)
+                {
+                    _numberofheads = value;
 
+                    NumberOfHeadsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(NumberOfHeads)); 
+                }
+            }
         }
 
         protected Int32 _sampleunitsormeters;
@@ -608,9 +805,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _sampleunitsormeters = value; RaisePropertyChanged(nameof(SampleUnitsOrMeters)); 
-            }
+                if (_sampleunitsormeters != value)
+                {
+                    _sampleunitsormeters = value;
+
+                    SampleUnitsOrMetersChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(SampleUnitsOrMeters)); 
+                }
+            }
         }
 
         protected Int32 _finetuningstatus;
@@ -632,9 +835,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _finetuningstatus = value; RaisePropertyChanged(nameof(FineTuningStatus)); 
-            }
+                if (_finetuningstatus != value)
+                {
+                    _finetuningstatus = value;
 
+                    FineTuningStatusChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(FineTuningStatus)); 
+                }
+            }
         }
 
         protected Nullable<DateTime> _finetuningapprovedate;
@@ -654,9 +863,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _finetuningapprovedate = value; RaisePropertyChanged(nameof(FineTuningApproveDate)); 
-            }
+                if (_finetuningapprovedate != value)
+                {
+                    _finetuningapprovedate = value;
 
+                    FineTuningApproveDateChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(FineTuningApproveDate)); 
+                }
+            }
         }
 
         protected Int32 _sampledyestatus;
@@ -678,9 +893,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _sampledyestatus = value; RaisePropertyChanged(nameof(SampleDyeStatus)); 
-            }
+                if (_sampledyestatus != value)
+                {
+                    _sampledyestatus = value;
+
+                    SampleDyeStatusChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(SampleDyeStatus)); 
+                }
+            }
         }
 
         protected Nullable<DateTime> _sampledyeapprovedate;
@@ -700,9 +921,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _sampledyeapprovedate = value; RaisePropertyChanged(nameof(SampleDyeApproveDate)); 
-            }
+                if (_sampledyeapprovedate != value)
+                {
+                    _sampledyeapprovedate = value;
 
+                    SampleDyeApproveDateChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(SampleDyeApproveDate)); 
+                }
+            }
         }
 
         protected Int32 _editingstate;
@@ -724,9 +951,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _editingstate = value; RaisePropertyChanged(nameof(EditingState)); 
-            }
+                if (_editingstate != value)
+                {
+                    _editingstate = value;
 
+                    EditingStateChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(EditingState)); 
+                }
+            }
         }
 
         protected Double _lengthpercentagefactor;
@@ -746,9 +979,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _lengthpercentagefactor = value; RaisePropertyChanged(nameof(LengthPercentageFactor)); 
-            }
+                if (_lengthpercentagefactor != value)
+                {
+                    _lengthpercentagefactor = value;
+
+                    LengthPercentageFactorChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(LengthPercentageFactor)); 
+                }
+            }
         }
 
         protected ColorSpace _colorspace;
@@ -768,9 +1007,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _colorspace = value; RaisePropertyChanged(nameof(ColorSpace)); 
-            }
+                if (_colorspace != value)
+                {
+                    _colorspace = value;
 
+                    ColorSpaceChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ColorSpace)); 
+                }
+            }
         }
 
         protected Customer _customer;
@@ -790,9 +1035,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _customer = value; RaisePropertyChanged(nameof(Customer)); 
-            }
+                if (_customer != value)
+                {
+                    _customer = value;
 
+                    CustomerChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Customer)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<JobRun> _jobruns;
@@ -810,9 +1061,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _jobruns = value; RaisePropertyChanged(nameof(JobRuns)); 
-            }
+                if (_jobruns != value)
+                {
+                    _jobruns = value;
+
+                    JobRunsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(JobRuns)); 
+                }
+            }
         }
 
         protected Machine _machine;
@@ -832,9 +1089,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machine = value; RaisePropertyChanged(nameof(Machine)); 
-            }
+                if (_machine != value)
+                {
+                    _machine = value;
 
+                    MachineChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Machine)); 
+                }
+            }
         }
 
         protected Rml _rml;
@@ -854,9 +1117,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rml = value; RaisePropertyChanged(nameof(Rml)); 
-            }
+                if (_rml != value)
+                {
+                    _rml = value;
 
+                    RmlChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Rml)); 
+                }
+            }
         }
 
         protected SpoolType _spooltype;
@@ -876,9 +1145,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _spooltype = value; RaisePropertyChanged(nameof(SpoolType)); 
-            }
+                if (_spooltype != value)
+                {
+                    _spooltype = value;
+
+                    SpoolTypeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(SpoolType)); 
+                }
+            }
         }
 
         protected User _user;
@@ -898,9 +1173,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _user = value; RaisePropertyChanged(nameof(User)); 
-            }
+                if (_user != value)
+                {
+                    _user = value;
 
+                    UserChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(User)); 
+                }
+            }
         }
 
         protected WindingMethod _windingmethod;
@@ -920,9 +1201,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _windingmethod = value; RaisePropertyChanged(nameof(WindingMethod)); 
-            }
+                if (_windingmethod != value)
+                {
+                    _windingmethod = value;
+
+                    WindingMethodChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(WindingMethod)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Segment> _segments;
@@ -940,9 +1227,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _segments = value; RaisePropertyChanged(nameof(Segments)); 
-            }
+                if (_segments != value)
+                {
+                    _segments = value;
 
+                    SegmentsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Segments)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/JobRun.cs b/Software/Visual_Studio/Tango.BL/Entities/JobRun.cs
index 1a00e802d..b4ecf4f5a 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/JobRun.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/JobRun.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class JobRun : ObservableEntity<JobRun>
     {
 
+        public event EventHandler<DateTime> StartDateChanged;
+
+        public event EventHandler<DateTime> EndDateChanged;
+
+        public event EventHandler<Boolean> SuccessfulChanged;
+
+        public event EventHandler<Job> JobChanged;
+
         protected String _jobguid;
 
         /// <summary>
@@ -43,9 +51,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _jobguid = value; RaisePropertyChanged(nameof(JobGuid)); 
+                if (_jobguid != value)
+                {
+                    _jobguid = value;
+                    RaisePropertyChanged(nameof(JobGuid)); 
+                }
             }
-
         }
 
         protected DateTime _startdate;
@@ -65,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _startdate = value; RaisePropertyChanged(nameof(StartDate)); 
-            }
+                if (_startdate != value)
+                {
+                    _startdate = value;
+
+                    StartDateChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(StartDate)); 
+                }
+            }
         }
 
         protected DateTime _enddate;
@@ -87,9 +104,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _enddate = value; RaisePropertyChanged(nameof(EndDate)); 
-            }
+                if (_enddate != value)
+                {
+                    _enddate = value;
 
+                    EndDateChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(EndDate)); 
+                }
+            }
         }
 
         protected Boolean _successful;
@@ -109,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _successful = value; RaisePropertyChanged(nameof(Successful)); 
-            }
+                if (_successful != value)
+                {
+                    _successful = value;
+
+                    SuccessfulChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Successful)); 
+                }
+            }
         }
 
         protected Job _job;
@@ -131,9 +160,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _job = value; RaisePropertyChanged(nameof(Job)); 
-            }
+                if (_job != value)
+                {
+                    _job = value;
 
+                    JobChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Job)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/LinearMassDensityUnit.cs b/Software/Visual_Studio/Tango.BL/Entities/LinearMassDensityUnit.cs
index a47b9c8fd..faf85d7e5 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/LinearMassDensityUnit.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/LinearMassDensityUnit.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class LinearMassDensityUnit : ObservableEntity<LinearMassDensityUnit>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Rml>> RmlsChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Int32 _code;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Rml> _rmls;
@@ -84,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rmls = value; RaisePropertyChanged(nameof(Rmls)); 
-            }
+                if (_rmls != value)
+                {
+                    _rmls = value;
+
+                    RmlsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Rmls)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/LiquidType.cs b/Software/Visual_Studio/Tango.BL/Entities/LiquidType.cs
index 1ab155ed1..886b83e09 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/LiquidType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/LiquidType.cs
@@ -25,6 +25,20 @@ namespace Tango.BL.Entities
     public partial class LiquidType : ObservableEntity<LiquidType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Double> VersionChanged;
+
+        public event EventHandler<Int32> ColorChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Cat>> CatsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<IdsPack>> IdsPacksChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<LiquidTypesRml>> LiquidTypesRmlsChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +56,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +84,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Double _version;
@@ -86,9 +112,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _version = value; RaisePropertyChanged(nameof(Version)); 
-            }
+                if (_version != value)
+                {
+                    _version = value;
 
+                    VersionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Version)); 
+                }
+            }
         }
 
         protected Int32 _color;
@@ -108,9 +140,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _color = value; RaisePropertyChanged(nameof(Color)); 
-            }
+                if (_color != value)
+                {
+                    _color = value;
+
+                    ColorChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Color)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Cat> _cats;
@@ -128,9 +166,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _cats = value; RaisePropertyChanged(nameof(Cats)); 
-            }
+                if (_cats != value)
+                {
+                    _cats = value;
+
+                    CatsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Cats)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<IdsPack> _idspacks;
@@ -148,9 +192,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _idspacks = value; RaisePropertyChanged(nameof(IdsPacks)); 
-            }
+                if (_idspacks != value)
+                {
+                    _idspacks = value;
 
+                    IdsPacksChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(IdsPacks)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<LiquidTypesRml> _liquidtypesrmls;
@@ -168,9 +218,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _liquidtypesrmls = value; RaisePropertyChanged(nameof(LiquidTypesRmls)); 
-            }
+                if (_liquidtypesrmls != value)
+                {
+                    _liquidtypesrmls = value;
+
+                    LiquidTypesRmlsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(LiquidTypesRmls)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/LiquidTypesRml.cs b/Software/Visual_Studio/Tango.BL/Entities/LiquidTypesRml.cs
index e6ad7b573..6356a68cb 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/LiquidTypesRml.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/LiquidTypesRml.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class LiquidTypesRml : ObservableEntity<LiquidTypesRml>
     {
 
+        public event EventHandler<Double> MaxNlPerCmChanged;
+
+        public event EventHandler<Byte[]> DefaultCatDataChanged;
+
+        public event EventHandler<LiquidType> LiquidTypeChanged;
+
+        public event EventHandler<Rml> RmlChanged;
+
         protected String _liquidtypeguid;
 
         /// <summary>
@@ -43,9 +51,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _liquidtypeguid = value; RaisePropertyChanged(nameof(LiquidTypeGuid)); 
+                if (_liquidtypeguid != value)
+                {
+                    _liquidtypeguid = value;
+                    RaisePropertyChanged(nameof(LiquidTypeGuid)); 
+                }
             }
-
         }
 
         protected String _rmlguid;
@@ -66,9 +77,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rmlguid = value; RaisePropertyChanged(nameof(RmlGuid)); 
+                if (_rmlguid != value)
+                {
+                    _rmlguid = value;
+                    RaisePropertyChanged(nameof(RmlGuid)); 
+                }
             }
-
         }
 
         protected Double _maxnlpercm;
@@ -88,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _maxnlpercm = value; RaisePropertyChanged(nameof(MaxNlPerCm)); 
-            }
+                if (_maxnlpercm != value)
+                {
+                    _maxnlpercm = value;
 
+                    MaxNlPerCmChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(MaxNlPerCm)); 
+                }
+            }
         }
 
         protected Byte[] _defaultcatdata;
@@ -110,9 +130,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _defaultcatdata = value; RaisePropertyChanged(nameof(DefaultCatData)); 
-            }
+                if (_defaultcatdata != value)
+                {
+                    _defaultcatdata = value;
+
+                    DefaultCatDataChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(DefaultCatData)); 
+                }
+            }
         }
 
         protected LiquidType _liquidtype;
@@ -132,9 +158,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _liquidtype = value; RaisePropertyChanged(nameof(LiquidType)); 
-            }
+                if (_liquidtype != value)
+                {
+                    _liquidtype = value;
+
+                    LiquidTypeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(LiquidType)); 
+                }
+            }
         }
 
         protected Rml _rml;
@@ -154,9 +186,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rml = value; RaisePropertyChanged(nameof(Rml)); 
-            }
+                if (_rml != value)
+                {
+                    _rml = value;
 
+                    RmlChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Rml)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Machine.cs b/Software/Visual_Studio/Tango.BL/Entities/Machine.cs
index a9117845a..1995fea05 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Machine.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Machine.cs
@@ -25,6 +25,42 @@ namespace Tango.BL.Entities
     public partial class Machine : ObservableEntity<Machine>
     {
 
+        public event EventHandler<String> SerialNumberChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<DateTime> ProductionDateChanged;
+
+        public event EventHandler<Boolean> EnableExternalBridgeChanged;
+
+        public event EventHandler<String> ExternalBridgePasswordChanged;
+
+        public event EventHandler<String> TargetJobTypesChanged;
+
+        public event EventHandler<Double> DefaultSegmentLengthChanged;
+
+        public event EventHandler<Boolean> SynchedChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Cat>> CatsChanged;
+
+        public event EventHandler<ColorSpace> DefaultColorSpaceChanged;
+
+        public event EventHandler<Configuration> ConfigurationChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Job>> JobsChanged;
+
+        public event EventHandler<MachineVersion> MachineVersionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<MachinesConfiguration>> MachinesConfigurationsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<MachinesEvent>> MachinesEventsChanged;
+
+        public event EventHandler<Organization> OrganizationChanged;
+
+        public event EventHandler<Rml> DefaultRmlChanged;
+
+        public event EventHandler<SpoolType> DefaultSpoolTypeChanged;
+
         protected String _serialnumber;
 
         /// <summary>
@@ -42,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _serialnumber = value; RaisePropertyChanged(nameof(SerialNumber)); 
-            }
+                if (_serialnumber != value)
+                {
+                    _serialnumber = value;
+
+                    SerialNumberChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(SerialNumber)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected DateTime _productiondate;
@@ -86,9 +134,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _productiondate = value; RaisePropertyChanged(nameof(ProductionDate)); 
-            }
+                if (_productiondate != value)
+                {
+                    _productiondate = value;
 
+                    ProductionDateChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ProductionDate)); 
+                }
+            }
         }
 
         protected String _organizationguid;
@@ -109,9 +163,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _organizationguid = value; RaisePropertyChanged(nameof(OrganizationGuid)); 
+                if (_organizationguid != value)
+                {
+                    _organizationguid = value;
+                    RaisePropertyChanged(nameof(OrganizationGuid)); 
+                }
             }
-
         }
 
         protected String _machineversionguid;
@@ -132,9 +189,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machineversionguid = value; RaisePropertyChanged(nameof(MachineVersionGuid)); 
+                if (_machineversionguid != value)
+                {
+                    _machineversionguid = value;
+                    RaisePropertyChanged(nameof(MachineVersionGuid)); 
+                }
             }
-
         }
 
         protected String _configurationguid;
@@ -155,9 +215,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _configurationguid = value; RaisePropertyChanged(nameof(ConfigurationGuid)); 
+                if (_configurationguid != value)
+                {
+                    _configurationguid = value;
+                    RaisePropertyChanged(nameof(ConfigurationGuid)); 
+                }
             }
-
         }
 
         protected Boolean _enableexternalbridge;
@@ -177,9 +240,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _enableexternalbridge = value; RaisePropertyChanged(nameof(EnableExternalBridge)); 
-            }
+                if (_enableexternalbridge != value)
+                {
+                    _enableexternalbridge = value;
+
+                    EnableExternalBridgeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(EnableExternalBridge)); 
+                }
+            }
         }
 
         protected String _externalbridgepassword;
@@ -199,9 +268,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _externalbridgepassword = value; RaisePropertyChanged(nameof(ExternalBridgePassword)); 
-            }
+                if (_externalbridgepassword != value)
+                {
+                    _externalbridgepassword = value;
+
+                    ExternalBridgePasswordChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ExternalBridgePassword)); 
+                }
+            }
         }
 
         protected String _defaultrmlguid;
@@ -222,9 +297,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _defaultrmlguid = value; RaisePropertyChanged(nameof(DefaultRmlGuid)); 
+                if (_defaultrmlguid != value)
+                {
+                    _defaultrmlguid = value;
+                    RaisePropertyChanged(nameof(DefaultRmlGuid)); 
+                }
             }
-
         }
 
         protected String _targetjobtypes;
@@ -244,9 +322,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _targetjobtypes = value; RaisePropertyChanged(nameof(TargetJobTypes)); 
-            }
+                if (_targetjobtypes != value)
+                {
+                    _targetjobtypes = value;
+
+                    TargetJobTypesChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(TargetJobTypes)); 
+                }
+            }
         }
 
         protected String _defaultcolorspaceguid;
@@ -267,9 +351,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _defaultcolorspaceguid = value; RaisePropertyChanged(nameof(DefaultColorSpaceGuid)); 
+                if (_defaultcolorspaceguid != value)
+                {
+                    _defaultcolorspaceguid = value;
+                    RaisePropertyChanged(nameof(DefaultColorSpaceGuid)); 
+                }
             }
-
         }
 
         protected Double _defaultsegmentlength;
@@ -289,9 +376,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _defaultsegmentlength = value; RaisePropertyChanged(nameof(DefaultSegmentLength)); 
-            }
+                if (_defaultsegmentlength != value)
+                {
+                    _defaultsegmentlength = value;
 
+                    DefaultSegmentLengthChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(DefaultSegmentLength)); 
+                }
+            }
         }
 
         protected String _defaultspooltypeguid;
@@ -312,9 +405,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _defaultspooltypeguid = value; RaisePropertyChanged(nameof(DefaultSpoolTypeGuid)); 
+                if (_defaultspooltypeguid != value)
+                {
+                    _defaultspooltypeguid = value;
+                    RaisePropertyChanged(nameof(DefaultSpoolTypeGuid)); 
+                }
             }
-
         }
 
         protected Boolean _synched;
@@ -334,9 +430,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _synched = value; RaisePropertyChanged(nameof(Synched)); 
-            }
+                if (_synched != value)
+                {
+                    _synched = value;
+
+                    SynchedChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Synched)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Cat> _cats;
@@ -354,9 +456,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _cats = value; RaisePropertyChanged(nameof(Cats)); 
-            }
+                if (_cats != value)
+                {
+                    _cats = value;
 
+                    CatsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Cats)); 
+                }
+            }
         }
 
         protected ColorSpace _defaultcolorspace;
@@ -376,9 +484,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _defaultcolorspace = value; RaisePropertyChanged(nameof(DefaultColorSpace)); 
-            }
+                if (_defaultcolorspace != value)
+                {
+                    _defaultcolorspace = value;
 
+                    DefaultColorSpaceChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(DefaultColorSpace)); 
+                }
+            }
         }
 
         protected Configuration _configuration;
@@ -398,9 +512,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _configuration = value; RaisePropertyChanged(nameof(Configuration)); 
-            }
+                if (_configuration != value)
+                {
+                    _configuration = value;
+
+                    ConfigurationChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Configuration)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Job> _jobs;
@@ -418,9 +538,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _jobs = value; RaisePropertyChanged(nameof(Jobs)); 
-            }
+                if (_jobs != value)
+                {
+                    _jobs = value;
+
+                    JobsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Jobs)); 
+                }
+            }
         }
 
         protected MachineVersion _machineversion;
@@ -440,9 +566,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machineversion = value; RaisePropertyChanged(nameof(MachineVersion)); 
-            }
+                if (_machineversion != value)
+                {
+                    _machineversion = value;
+
+                    MachineVersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(MachineVersion)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<MachinesConfiguration> _machinesconfigurations;
@@ -460,9 +592,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machinesconfigurations = value; RaisePropertyChanged(nameof(MachinesConfigurations)); 
-            }
+                if (_machinesconfigurations != value)
+                {
+                    _machinesconfigurations = value;
 
+                    MachinesConfigurationsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(MachinesConfigurations)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<MachinesEvent> _machinesevents;
@@ -480,9 +618,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machinesevents = value; RaisePropertyChanged(nameof(MachinesEvents)); 
-            }
+                if (_machinesevents != value)
+                {
+                    _machinesevents = value;
 
+                    MachinesEventsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(MachinesEvents)); 
+                }
+            }
         }
 
         protected Organization _organization;
@@ -502,9 +646,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _organization = value; RaisePropertyChanged(nameof(Organization)); 
-            }
+                if (_organization != value)
+                {
+                    _organization = value;
+
+                    OrganizationChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Organization)); 
+                }
+            }
         }
 
         protected Rml _defaultrml;
@@ -524,9 +674,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _defaultrml = value; RaisePropertyChanged(nameof(DefaultRml)); 
-            }
+                if (_defaultrml != value)
+                {
+                    _defaultrml = value;
+
+                    DefaultRmlChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(DefaultRml)); 
+                }
+            }
         }
 
         protected SpoolType _defaultspooltype;
@@ -546,9 +702,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _defaultspooltype = value; RaisePropertyChanged(nameof(DefaultSpoolType)); 
-            }
+                if (_defaultspooltype != value)
+                {
+                    _defaultspooltype = value;
 
+                    DefaultSpoolTypeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(DefaultSpoolType)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/MachineStudioVersion.cs b/Software/Visual_Studio/Tango.BL/Entities/MachineStudioVersion.cs
index c070d964b..75838118c 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/MachineStudioVersion.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/MachineStudioVersion.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class MachineStudioVersion : ObservableEntity<MachineStudioVersion>
     {
 
+        public event EventHandler<String> VersionChanged;
+
+        public event EventHandler<String> FtpFilePathChanged;
+
+        public event EventHandler<String> CommentsChanged;
+
+        public event EventHandler<Boolean> ForceUpdateChanged;
+
+        public event EventHandler<User> UserChanged;
+
         protected String _version;
 
         /// <summary>
@@ -42,9 +52,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _version = value; RaisePropertyChanged(nameof(Version)); 
-            }
+                if (_version != value)
+                {
+                    _version = value;
 
+                    VersionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Version)); 
+                }
+            }
         }
 
         protected String _ftpfilepath;
@@ -64,9 +80,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _ftpfilepath = value; RaisePropertyChanged(nameof(FtpFilePath)); 
-            }
+                if (_ftpfilepath != value)
+                {
+                    _ftpfilepath = value;
 
+                    FtpFilePathChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(FtpFilePath)); 
+                }
+            }
         }
 
         protected String _comments;
@@ -86,9 +108,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _comments = value; RaisePropertyChanged(nameof(Comments)); 
-            }
+                if (_comments != value)
+                {
+                    _comments = value;
+
+                    CommentsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Comments)); 
+                }
+            }
         }
 
         protected String _userguid;
@@ -109,9 +137,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _userguid = value; RaisePropertyChanged(nameof(UserGuid)); 
+                if (_userguid != value)
+                {
+                    _userguid = value;
+                    RaisePropertyChanged(nameof(UserGuid)); 
+                }
             }
-
         }
 
         protected Boolean _forceupdate;
@@ -131,9 +162,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _forceupdate = value; RaisePropertyChanged(nameof(ForceUpdate)); 
-            }
+                if (_forceupdate != value)
+                {
+                    _forceupdate = value;
 
+                    ForceUpdateChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ForceUpdate)); 
+                }
+            }
         }
 
         protected User _user;
@@ -153,9 +190,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _user = value; RaisePropertyChanged(nameof(User)); 
-            }
+                if (_user != value)
+                {
+                    _user = value;
 
+                    UserChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(User)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/MachineVersion.cs b/Software/Visual_Studio/Tango.BL/Entities/MachineVersion.cs
index 605e168cb..b58e56656 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/MachineVersion.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/MachineVersion.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class MachineVersion : ObservableEntity<MachineVersion>
     {
 
+        public event EventHandler<Double> VersionChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Configuration> DefaultConfigurationChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Machine>> MachinesChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<TangoVersion>> TangoVersionsChanged;
+
         protected Double _version;
 
         /// <summary>
@@ -42,9 +52,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _version = value; RaisePropertyChanged(nameof(Version)); 
-            }
+                if (_version != value)
+                {
+                    _version = value;
 
+                    VersionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Version)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +80,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _defaultconfigurationguid;
@@ -87,9 +109,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _defaultconfigurationguid = value; RaisePropertyChanged(nameof(DefaultConfigurationGuid)); 
+                if (_defaultconfigurationguid != value)
+                {
+                    _defaultconfigurationguid = value;
+                    RaisePropertyChanged(nameof(DefaultConfigurationGuid)); 
+                }
             }
-
         }
 
         protected Configuration _defaultconfiguration;
@@ -109,9 +134,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _defaultconfiguration = value; RaisePropertyChanged(nameof(DefaultConfiguration)); 
-            }
+                if (_defaultconfiguration != value)
+                {
+                    _defaultconfiguration = value;
+
+                    DefaultConfigurationChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(DefaultConfiguration)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Machine> _machines;
@@ -129,9 +160,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machines = value; RaisePropertyChanged(nameof(Machines)); 
-            }
+                if (_machines != value)
+                {
+                    _machines = value;
 
+                    MachinesChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Machines)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<TangoVersion> _tangoversions;
@@ -149,9 +186,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _tangoversions = value; RaisePropertyChanged(nameof(TangoVersions)); 
-            }
+                if (_tangoversions != value)
+                {
+                    _tangoversions = value;
 
+                    TangoVersionsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(TangoVersions)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/MachinesConfiguration.cs b/Software/Visual_Studio/Tango.BL/Entities/MachinesConfiguration.cs
index b13b5007c..a7706fd57 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/MachinesConfiguration.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/MachinesConfiguration.cs
@@ -25,6 +25,10 @@ namespace Tango.BL.Entities
     public partial class MachinesConfiguration : ObservableEntity<MachinesConfiguration>
     {
 
+        public event EventHandler<Configuration> ConfigurationChanged;
+
+        public event EventHandler<Machine> MachineChanged;
+
         protected String _machineguid;
 
         /// <summary>
@@ -43,9 +47,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machineguid = value; RaisePropertyChanged(nameof(MachineGuid)); 
+                if (_machineguid != value)
+                {
+                    _machineguid = value;
+                    RaisePropertyChanged(nameof(MachineGuid)); 
+                }
             }
-
         }
 
         protected String _configurationguid;
@@ -66,9 +73,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _configurationguid = value; RaisePropertyChanged(nameof(ConfigurationGuid)); 
+                if (_configurationguid != value)
+                {
+                    _configurationguid = value;
+                    RaisePropertyChanged(nameof(ConfigurationGuid)); 
+                }
             }
-
         }
 
         protected Configuration _configuration;
@@ -88,9 +98,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _configuration = value; RaisePropertyChanged(nameof(Configuration)); 
-            }
+                if (_configuration != value)
+                {
+                    _configuration = value;
 
+                    ConfigurationChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Configuration)); 
+                }
+            }
         }
 
         protected Machine _machine;
@@ -110,9 +126,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machine = value; RaisePropertyChanged(nameof(Machine)); 
-            }
+                if (_machine != value)
+                {
+                    _machine = value;
 
+                    MachineChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Machine)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/MachinesEvent.cs b/Software/Visual_Studio/Tango.BL/Entities/MachinesEvent.cs
index b535d1380..c327677bf 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/MachinesEvent.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/MachinesEvent.cs
@@ -25,6 +25,18 @@ namespace Tango.BL.Entities
     public partial class MachinesEvent : ObservableEntity<MachinesEvent>
     {
 
+        public event EventHandler<String> HostNameChanged;
+
+        public event EventHandler<DateTime> DateTimeChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<EventType> EventTypeChanged;
+
+        public event EventHandler<Machine> MachineChanged;
+
+        public event EventHandler<User> UserChanged;
+
         protected String _hostname;
 
         /// <summary>
@@ -42,9 +54,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _hostname = value; RaisePropertyChanged(nameof(HostName)); 
-            }
+                if (_hostname != value)
+                {
+                    _hostname = value;
 
+                    HostNameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HostName)); 
+                }
+            }
         }
 
         protected String _machineguid;
@@ -65,9 +83,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machineguid = value; RaisePropertyChanged(nameof(MachineGuid)); 
+                if (_machineguid != value)
+                {
+                    _machineguid = value;
+                    RaisePropertyChanged(nameof(MachineGuid)); 
+                }
             }
-
         }
 
         protected String _eventtypeguid;
@@ -88,9 +109,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtypeguid = value; RaisePropertyChanged(nameof(EventTypeGuid)); 
+                if (_eventtypeguid != value)
+                {
+                    _eventtypeguid = value;
+                    RaisePropertyChanged(nameof(EventTypeGuid)); 
+                }
             }
-
         }
 
         protected String _userguid;
@@ -111,9 +135,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _userguid = value; RaisePropertyChanged(nameof(UserGuid)); 
+                if (_userguid != value)
+                {
+                    _userguid = value;
+                    RaisePropertyChanged(nameof(UserGuid)); 
+                }
             }
-
         }
 
         protected DateTime _datetime;
@@ -133,9 +160,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _datetime = value; RaisePropertyChanged(nameof(DateTime)); 
-            }
+                if (_datetime != value)
+                {
+                    _datetime = value;
+
+                    DateTimeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(DateTime)); 
+                }
+            }
         }
 
         protected String _description;
@@ -155,9 +188,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
 
+                    DescriptionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected EventType _eventtype;
@@ -177,9 +216,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _eventtype = value; RaisePropertyChanged(nameof(EventType)); 
-            }
+                if (_eventtype != value)
+                {
+                    _eventtype = value;
+
+                    EventTypeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(EventType)); 
+                }
+            }
         }
 
         protected Machine _machine;
@@ -199,9 +244,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machine = value; RaisePropertyChanged(nameof(Machine)); 
-            }
+                if (_machine != value)
+                {
+                    _machine = value;
+
+                    MachineChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Machine)); 
+                }
+            }
         }
 
         protected User _user;
@@ -221,9 +272,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _user = value; RaisePropertyChanged(nameof(User)); 
-            }
+                if (_user != value)
+                {
+                    _user = value;
+
+                    UserChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(User)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/MediaColor.cs b/Software/Visual_Studio/Tango.BL/Entities/MediaColor.cs
index c61f221d5..c09b606ae 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/MediaColor.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/MediaColor.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class MediaColor : ObservableEntity<MediaColor>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Double> LChanged;
+
+        public event EventHandler<Double> AChanged;
+
+        public event EventHandler<Double> BChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Rml>> RmlsChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +52,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Double _l;
@@ -64,9 +80,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _l = value; RaisePropertyChanged(nameof(L)); 
-            }
+                if (_l != value)
+                {
+                    _l = value;
+
+                    LChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(L)); 
+                }
+            }
         }
 
         protected Double _a;
@@ -86,9 +108,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _a = value; RaisePropertyChanged(nameof(A)); 
-            }
+                if (_a != value)
+                {
+                    _a = value;
+
+                    AChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(A)); 
+                }
+            }
         }
 
         protected Double _b;
@@ -108,9 +136,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _b = value; RaisePropertyChanged(nameof(B)); 
-            }
+                if (_b != value)
+                {
+                    _b = value;
 
+                    BChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(B)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Rml> _rmls;
@@ -128,9 +162,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rmls = value; RaisePropertyChanged(nameof(Rmls)); 
-            }
+                if (_rmls != value)
+                {
+                    _rmls = value;
 
+                    RmlsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Rmls)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/MediaCondition.cs b/Software/Visual_Studio/Tango.BL/Entities/MediaCondition.cs
index 02a4cbd42..6dcb5f972 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/MediaCondition.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/MediaCondition.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class MediaCondition : ObservableEntity<MediaCondition>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Rml>> RmlsChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Int32 _code;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Rml> _rmls;
@@ -84,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rmls = value; RaisePropertyChanged(nameof(Rmls)); 
-            }
+                if (_rmls != value)
+                {
+                    _rmls = value;
+
+                    RmlsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Rmls)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/MediaMaterial.cs b/Software/Visual_Studio/Tango.BL/Entities/MediaMaterial.cs
index de34b3b2a..c77d5fb27 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/MediaMaterial.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/MediaMaterial.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class MediaMaterial : ObservableEntity<MediaMaterial>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Rml>> RmlsChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Int32 _code;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Rml> _rmls;
@@ -84,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rmls = value; RaisePropertyChanged(nameof(Rmls)); 
-            }
+                if (_rmls != value)
+                {
+                    _rmls = value;
+
+                    RmlsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Rmls)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/MediaPurpos.cs b/Software/Visual_Studio/Tango.BL/Entities/MediaPurpos.cs
index 2d5cd30c5..6ddb194b4 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/MediaPurpos.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/MediaPurpos.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class MediaPurpos : ObservableEntity<MediaPurpos>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Rml>> RmlsChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Int32 _code;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Rml> _rmls;
@@ -84,9 +102,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rmls = value; RaisePropertyChanged(nameof(Rmls)); 
-            }
+                if (_rmls != value)
+                {
+                    _rmls = value;
+
+                    RmlsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Rmls)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/MidTankType.cs b/Software/Visual_Studio/Tango.BL/Entities/MidTankType.cs
index ab9c79e7a..a6e629c23 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/MidTankType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/MidTankType.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class MidTankType : ObservableEntity<MidTankType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Double> LiterCapacityChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<IdsPack>> IdsPacksChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +50,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Double _litercapacity;
@@ -86,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _litercapacity = value; RaisePropertyChanged(nameof(LiterCapacity)); 
-            }
+                if (_litercapacity != value)
+                {
+                    _litercapacity = value;
+
+                    LiterCapacityChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(LiterCapacity)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<IdsPack> _idspacks;
@@ -106,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _idspacks = value; RaisePropertyChanged(nameof(IdsPacks)); 
-            }
+                if (_idspacks != value)
+                {
+                    _idspacks = value;
 
+                    IdsPacksChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(IdsPacks)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Organization.cs b/Software/Visual_Studio/Tango.BL/Entities/Organization.cs
index b1eef5ec2..43206dd51 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Organization.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Organization.cs
@@ -25,6 +25,18 @@ namespace Tango.BL.Entities
     public partial class Organization : ObservableEntity<Organization>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Address> AddressChanged;
+
+        public event EventHandler<Contact> ContactChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Customer>> CustomersChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Machine>> MachinesChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<User>> UsersChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +54,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _contactguid;
@@ -65,9 +83,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _contactguid = value; RaisePropertyChanged(nameof(ContactGuid)); 
+                if (_contactguid != value)
+                {
+                    _contactguid = value;
+                    RaisePropertyChanged(nameof(ContactGuid)); 
+                }
             }
-
         }
 
         protected String _addressguid;
@@ -88,9 +109,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _addressguid = value; RaisePropertyChanged(nameof(AddressGuid)); 
+                if (_addressguid != value)
+                {
+                    _addressguid = value;
+                    RaisePropertyChanged(nameof(AddressGuid)); 
+                }
             }
-
         }
 
         protected Address _address;
@@ -110,9 +134,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _address = value; RaisePropertyChanged(nameof(Address)); 
-            }
+                if (_address != value)
+                {
+                    _address = value;
+
+                    AddressChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Address)); 
+                }
+            }
         }
 
         protected Contact _contact;
@@ -132,9 +162,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _contact = value; RaisePropertyChanged(nameof(Contact)); 
-            }
+                if (_contact != value)
+                {
+                    _contact = value;
 
+                    ContactChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Contact)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Customer> _customers;
@@ -152,9 +188,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _customers = value; RaisePropertyChanged(nameof(Customers)); 
-            }
+                if (_customers != value)
+                {
+                    _customers = value;
+
+                    CustomersChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Customers)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Machine> _machines;
@@ -172,9 +214,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machines = value; RaisePropertyChanged(nameof(Machines)); 
-            }
+                if (_machines != value)
+                {
+                    _machines = value;
+
+                    MachinesChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Machines)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<User> _users;
@@ -192,9 +240,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _users = value; RaisePropertyChanged(nameof(Users)); 
-            }
+                if (_users != value)
+                {
+                    _users = value;
+
+                    UsersChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Users)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Permission.cs b/Software/Visual_Studio/Tango.BL/Entities/Permission.cs
index 4fdb22389..385186794 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Permission.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Permission.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class Permission : ObservableEntity<Permission>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<RolesPermission>> RolesPermissionsChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +50,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<RolesPermission> _rolespermissions;
@@ -106,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rolespermissions = value; RaisePropertyChanged(nameof(RolesPermissions)); 
-            }
+                if (_rolespermissions != value)
+                {
+                    _rolespermissions = value;
 
+                    RolesPermissionsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(RolesPermissions)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/ProcessParametersTable.cs b/Software/Visual_Studio/Tango.BL/Entities/ProcessParametersTable.cs
index 8192cfbfa..ef78b08ab 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/ProcessParametersTable.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/ProcessParametersTable.cs
@@ -25,6 +25,48 @@ namespace Tango.BL.Entities
     public partial class ProcessParametersTable : ObservableEntity<ProcessParametersTable>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Double> DyeingSpeedChanged;
+
+        public event EventHandler<Double> MinInkUptakeChanged;
+
+        public event EventHandler<Double> FeederTensionChanged;
+
+        public event EventHandler<Double> PullerTensionChanged;
+
+        public event EventHandler<Double> WinderTensionChanged;
+
+        public event EventHandler<Double> MixerTempChanged;
+
+        public event EventHandler<Double> HeadZone1TempChanged;
+
+        public event EventHandler<Double> HeadZone2TempChanged;
+
+        public event EventHandler<Double> HeadZone3TempChanged;
+
+        public event EventHandler<Double> HeadZone4TempChanged;
+
+        public event EventHandler<Double> HeadZone5TempChanged;
+
+        public event EventHandler<Double> HeadZone6TempChanged;
+
+        public event EventHandler<Double> DryerAirFlowChanged;
+
+        public event EventHandler<Double> DryerZone1TempChanged;
+
+        public event EventHandler<Double> DryerZone2TempChanged;
+
+        public event EventHandler<Double> DryerZone3TempChanged;
+
+        public event EventHandler<Double> DryerBufferLengthChanged;
+
+        public event EventHandler<Double> HeadAirFlowChanged;
+
+        public event EventHandler<Int32> TableIndexChanged;
+
+        public event EventHandler<ProcessParametersTablesGroup> ProcessParametersTablesGroupChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +84,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Double _dyeingspeed;
@@ -64,9 +112,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _dyeingspeed = value; RaisePropertyChanged(nameof(DyeingSpeed)); 
-            }
+                if (_dyeingspeed != value)
+                {
+                    _dyeingspeed = value;
 
+                    DyeingSpeedChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(DyeingSpeed)); 
+                }
+            }
         }
 
         protected Double _mininkuptake;
@@ -86,9 +140,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _mininkuptake = value; RaisePropertyChanged(nameof(MinInkUptake)); 
-            }
+                if (_mininkuptake != value)
+                {
+                    _mininkuptake = value;
 
+                    MinInkUptakeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(MinInkUptake)); 
+                }
+            }
         }
 
         protected Double _feedertension;
@@ -108,9 +168,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _feedertension = value; RaisePropertyChanged(nameof(FeederTension)); 
-            }
+                if (_feedertension != value)
+                {
+                    _feedertension = value;
 
+                    FeederTensionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(FeederTension)); 
+                }
+            }
         }
 
         protected Double _pullertension;
@@ -130,9 +196,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _pullertension = value; RaisePropertyChanged(nameof(PullerTension)); 
-            }
+                if (_pullertension != value)
+                {
+                    _pullertension = value;
+
+                    PullerTensionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(PullerTension)); 
+                }
+            }
         }
 
         protected Double _windertension;
@@ -152,9 +224,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _windertension = value; RaisePropertyChanged(nameof(WinderTension)); 
-            }
+                if (_windertension != value)
+                {
+                    _windertension = value;
+
+                    WinderTensionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(WinderTension)); 
+                }
+            }
         }
 
         protected Double _mixertemp;
@@ -174,9 +252,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _mixertemp = value; RaisePropertyChanged(nameof(MixerTemp)); 
-            }
+                if (_mixertemp != value)
+                {
+                    _mixertemp = value;
+
+                    MixerTempChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(MixerTemp)); 
+                }
+            }
         }
 
         protected Double _headzone1temp;
@@ -196,9 +280,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _headzone1temp = value; RaisePropertyChanged(nameof(HeadZone1Temp)); 
-            }
+                if (_headzone1temp != value)
+                {
+                    _headzone1temp = value;
 
+                    HeadZone1TempChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HeadZone1Temp)); 
+                }
+            }
         }
 
         protected Double _headzone2temp;
@@ -218,9 +308,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _headzone2temp = value; RaisePropertyChanged(nameof(HeadZone2Temp)); 
-            }
+                if (_headzone2temp != value)
+                {
+                    _headzone2temp = value;
 
+                    HeadZone2TempChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HeadZone2Temp)); 
+                }
+            }
         }
 
         protected Double _headzone3temp;
@@ -240,9 +336,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _headzone3temp = value; RaisePropertyChanged(nameof(HeadZone3Temp)); 
-            }
+                if (_headzone3temp != value)
+                {
+                    _headzone3temp = value;
 
+                    HeadZone3TempChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HeadZone3Temp)); 
+                }
+            }
         }
 
         protected Double _headzone4temp;
@@ -262,9 +364,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _headzone4temp = value; RaisePropertyChanged(nameof(HeadZone4Temp)); 
-            }
+                if (_headzone4temp != value)
+                {
+                    _headzone4temp = value;
 
+                    HeadZone4TempChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(HeadZone4Temp)); 
+                }
+            }
         }
 
         protected Double _headzone5temp;
@@ -284,9 +392,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _headzone5temp = value; RaisePropertyChanged(nameof(HeadZone5Temp)); 
-            }
+                if (_headzone5temp != value)
+                {
+                    _headzone5temp = value;
+
+                    HeadZone5TempChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HeadZone5Temp)); 
+                }
+            }
         }
 
         protected Double _headzone6temp;
@@ -306,9 +420,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _headzone6temp = value; RaisePropertyChanged(nameof(HeadZone6Temp)); 
-            }
+                if (_headzone6temp != value)
+                {
+                    _headzone6temp = value;
+
+                    HeadZone6TempChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HeadZone6Temp)); 
+                }
+            }
         }
 
         protected Double _dryerairflow;
@@ -328,9 +448,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _dryerairflow = value; RaisePropertyChanged(nameof(DryerAirFlow)); 
-            }
+                if (_dryerairflow != value)
+                {
+                    _dryerairflow = value;
+
+                    DryerAirFlowChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(DryerAirFlow)); 
+                }
+            }
         }
 
         protected Double _dryerzone1temp;
@@ -350,9 +476,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _dryerzone1temp = value; RaisePropertyChanged(nameof(DryerZone1Temp)); 
-            }
+                if (_dryerzone1temp != value)
+                {
+                    _dryerzone1temp = value;
 
+                    DryerZone1TempChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(DryerZone1Temp)); 
+                }
+            }
         }
 
         protected Double _dryerzone2temp;
@@ -372,9 +504,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _dryerzone2temp = value; RaisePropertyChanged(nameof(DryerZone2Temp)); 
-            }
+                if (_dryerzone2temp != value)
+                {
+                    _dryerzone2temp = value;
 
+                    DryerZone2TempChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(DryerZone2Temp)); 
+                }
+            }
         }
 
         protected Double _dryerzone3temp;
@@ -394,9 +532,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _dryerzone3temp = value; RaisePropertyChanged(nameof(DryerZone3Temp)); 
-            }
+                if (_dryerzone3temp != value)
+                {
+                    _dryerzone3temp = value;
 
+                    DryerZone3TempChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(DryerZone3Temp)); 
+                }
+            }
         }
 
         protected Double _dryerbufferlength;
@@ -416,9 +560,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _dryerbufferlength = value; RaisePropertyChanged(nameof(DryerBufferLength)); 
-            }
+                if (_dryerbufferlength != value)
+                {
+                    _dryerbufferlength = value;
 
+                    DryerBufferLengthChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(DryerBufferLength)); 
+                }
+            }
         }
 
         protected Double _headairflow;
@@ -438,9 +588,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _headairflow = value; RaisePropertyChanged(nameof(HeadAirFlow)); 
-            }
+                if (_headairflow != value)
+                {
+                    _headairflow = value;
+
+                    HeadAirFlowChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(HeadAirFlow)); 
+                }
+            }
         }
 
         protected String _processparameterstablesgroupguid;
@@ -461,9 +617,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _processparameterstablesgroupguid = value; RaisePropertyChanged(nameof(ProcessParametersTablesGroupGuid)); 
+                if (_processparameterstablesgroupguid != value)
+                {
+                    _processparameterstablesgroupguid = value;
+                    RaisePropertyChanged(nameof(ProcessParametersTablesGroupGuid)); 
+                }
             }
-
         }
 
         protected Int32 _tableindex;
@@ -483,9 +642,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _tableindex = value; RaisePropertyChanged(nameof(TableIndex)); 
-            }
+                if (_tableindex != value)
+                {
+                    _tableindex = value;
 
+                    TableIndexChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(TableIndex)); 
+                }
+            }
         }
 
         protected ProcessParametersTablesGroup _processparameterstablesgroup;
@@ -505,9 +670,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _processparameterstablesgroup = value; RaisePropertyChanged(nameof(ProcessParametersTablesGroup)); 
-            }
+                if (_processparameterstablesgroup != value)
+                {
+                    _processparameterstablesgroup = value;
 
+                    ProcessParametersTablesGroupChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ProcessParametersTablesGroup)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/ProcessParametersTablesGroup.cs b/Software/Visual_Studio/Tango.BL/Entities/ProcessParametersTablesGroup.cs
index b989138d2..62ef66e82 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/ProcessParametersTablesGroup.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/ProcessParametersTablesGroup.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class ProcessParametersTablesGroup : ObservableEntity<ProcessParametersTablesGroup>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Boolean> ActiveChanged;
+
+        public event EventHandler<DateTime> SaveDateChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<ProcessParametersTable>> ProcessParametersTablesChanged;
+
+        public event EventHandler<Rml> RmlChanged;
+
         protected String _rmlguid;
 
         /// <summary>
@@ -43,9 +53,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rmlguid = value; RaisePropertyChanged(nameof(RmlGuid)); 
+                if (_rmlguid != value)
+                {
+                    _rmlguid = value;
+                    RaisePropertyChanged(nameof(RmlGuid)); 
+                }
             }
-
         }
 
         protected String _name;
@@ -65,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Boolean _active;
@@ -87,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _active = value; RaisePropertyChanged(nameof(Active)); 
-            }
+                if (_active != value)
+                {
+                    _active = value;
+
+                    ActiveChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Active)); 
+                }
+            }
         }
 
         protected DateTime _savedate;
@@ -109,9 +134,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _savedate = value; RaisePropertyChanged(nameof(SaveDate)); 
-            }
+                if (_savedate != value)
+                {
+                    _savedate = value;
+
+                    SaveDateChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(SaveDate)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<ProcessParametersTable> _processparameterstables;
@@ -129,9 +160,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _processparameterstables = value; RaisePropertyChanged(nameof(ProcessParametersTables)); 
-            }
+                if (_processparameterstables != value)
+                {
+                    _processparameterstables = value;
 
+                    ProcessParametersTablesChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ProcessParametersTables)); 
+                }
+            }
         }
 
         protected Rml _rml;
@@ -151,9 +188,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rml = value; RaisePropertyChanged(nameof(Rml)); 
-            }
+                if (_rml != value)
+                {
+                    _rml = value;
 
+                    RmlChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Rml)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Rml.cs b/Software/Visual_Studio/Tango.BL/Entities/Rml.cs
index 1e37993c4..c7c3077d7 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Rml.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Rml.cs
@@ -25,6 +25,58 @@ namespace Tango.BL.Entities
     public partial class Rml : ObservableEntity<Rml>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> ManufacturerChanged;
+
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<Double> FiberSizeChanged;
+
+        public event EventHandler<Int32> NumberOfFibersChanged;
+
+        public event EventHandler<Int32> PliesPerFiberChanged;
+
+        public event EventHandler<Int32> PliesPerThreadChanged;
+
+        public event EventHandler<Boolean> TwistedChanged;
+
+        public event EventHandler<Boolean> AirEntanglementChanged;
+
+        public event EventHandler<Boolean> LubricantChanged;
+
+        public event EventHandler<Double> TensileStrengthChanged;
+
+        public event EventHandler<Double> ElongationAtBreakPercentageChanged;
+
+        public event EventHandler<Double> EstimatedThreadDiameterChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Cat>> CatsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Cct>> CctsChanged;
+
+        public event EventHandler<FiberShape> FiberShapeChanged;
+
+        public event EventHandler<FiberSynth> FiberSynthChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Job>> JobsChanged;
+
+        public event EventHandler<LinearMassDensityUnit> LinearMassDensityUnitChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<LiquidTypesRml>> LiquidTypesRmlsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Machine>> MachinesChanged;
+
+        public event EventHandler<MediaColor> MediaColorChanged;
+
+        public event EventHandler<MediaCondition> MediaConditionChanged;
+
+        public event EventHandler<MediaMaterial> MediaMaterialChanged;
+
+        public event EventHandler<MediaPurpos> MediaPurposeChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<ProcessParametersTablesGroup>> ProcessParametersTablesGroupsChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +94,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _manufacturer;
@@ -64,9 +122,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _manufacturer = value; RaisePropertyChanged(nameof(Manufacturer)); 
-            }
+                if (_manufacturer != value)
+                {
+                    _manufacturer = value;
 
+                    ManufacturerChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Manufacturer)); 
+                }
+            }
         }
 
         protected Int32 _code;
@@ -86,9 +150,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _mediamaterialguid;
@@ -109,9 +179,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _mediamaterialguid = value; RaisePropertyChanged(nameof(MediaMaterialGuid)); 
+                if (_mediamaterialguid != value)
+                {
+                    _mediamaterialguid = value;
+                    RaisePropertyChanged(nameof(MediaMaterialGuid)); 
+                }
             }
-
         }
 
         protected String _mediacolorguid;
@@ -132,9 +205,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _mediacolorguid = value; RaisePropertyChanged(nameof(MediaColorGuid)); 
+                if (_mediacolorguid != value)
+                {
+                    _mediacolorguid = value;
+                    RaisePropertyChanged(nameof(MediaColorGuid)); 
+                }
             }
-
         }
 
         protected String _mediapurposeguid;
@@ -155,9 +231,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _mediapurposeguid = value; RaisePropertyChanged(nameof(MediaPurposeGuid)); 
+                if (_mediapurposeguid != value)
+                {
+                    _mediapurposeguid = value;
+                    RaisePropertyChanged(nameof(MediaPurposeGuid)); 
+                }
             }
-
         }
 
         protected String _mediaconditionguid;
@@ -178,9 +257,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _mediaconditionguid = value; RaisePropertyChanged(nameof(MediaConditionGuid)); 
+                if (_mediaconditionguid != value)
+                {
+                    _mediaconditionguid = value;
+                    RaisePropertyChanged(nameof(MediaConditionGuid)); 
+                }
             }
-
         }
 
         protected String _linearmassdensityunitguid;
@@ -201,9 +283,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _linearmassdensityunitguid = value; RaisePropertyChanged(nameof(LinearMassDensityUnitGuid)); 
+                if (_linearmassdensityunitguid != value)
+                {
+                    _linearmassdensityunitguid = value;
+                    RaisePropertyChanged(nameof(LinearMassDensityUnitGuid)); 
+                }
             }
-
         }
 
         protected String _fibershapeguid;
@@ -224,9 +309,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _fibershapeguid = value; RaisePropertyChanged(nameof(FiberShapeGuid)); 
+                if (_fibershapeguid != value)
+                {
+                    _fibershapeguid = value;
+                    RaisePropertyChanged(nameof(FiberShapeGuid)); 
+                }
             }
-
         }
 
         protected String _fibersynthguid;
@@ -247,9 +335,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _fibersynthguid = value; RaisePropertyChanged(nameof(FiberSynthGuid)); 
+                if (_fibersynthguid != value)
+                {
+                    _fibersynthguid = value;
+                    RaisePropertyChanged(nameof(FiberSynthGuid)); 
+                }
             }
-
         }
 
         protected Double _fibersize;
@@ -269,9 +360,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _fibersize = value; RaisePropertyChanged(nameof(FiberSize)); 
-            }
+                if (_fibersize != value)
+                {
+                    _fibersize = value;
+
+                    FiberSizeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(FiberSize)); 
+                }
+            }
         }
 
         protected Int32 _numberoffibers;
@@ -291,9 +388,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _numberoffibers = value; RaisePropertyChanged(nameof(NumberOfFibers)); 
-            }
+                if (_numberoffibers != value)
+                {
+                    _numberoffibers = value;
 
+                    NumberOfFibersChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(NumberOfFibers)); 
+                }
+            }
         }
 
         protected Int32 _pliesperfiber;
@@ -313,9 +416,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _pliesperfiber = value; RaisePropertyChanged(nameof(PliesPerFiber)); 
-            }
+                if (_pliesperfiber != value)
+                {
+                    _pliesperfiber = value;
 
+                    PliesPerFiberChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(PliesPerFiber)); 
+                }
+            }
         }
 
         protected Int32 _pliesperthread;
@@ -335,9 +444,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _pliesperthread = value; RaisePropertyChanged(nameof(PliesPerThread)); 
-            }
+                if (_pliesperthread != value)
+                {
+                    _pliesperthread = value;
+
+                    PliesPerThreadChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(PliesPerThread)); 
+                }
+            }
         }
 
         protected Boolean _twisted;
@@ -357,9 +472,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _twisted = value; RaisePropertyChanged(nameof(Twisted)); 
-            }
+                if (_twisted != value)
+                {
+                    _twisted = value;
+
+                    TwistedChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Twisted)); 
+                }
+            }
         }
 
         protected Boolean _airentanglement;
@@ -379,9 +500,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _airentanglement = value; RaisePropertyChanged(nameof(AirEntanglement)); 
-            }
+                if (_airentanglement != value)
+                {
+                    _airentanglement = value;
 
+                    AirEntanglementChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(AirEntanglement)); 
+                }
+            }
         }
 
         protected Boolean _lubricant;
@@ -401,9 +528,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _lubricant = value; RaisePropertyChanged(nameof(Lubricant)); 
-            }
+                if (_lubricant != value)
+                {
+                    _lubricant = value;
+
+                    LubricantChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Lubricant)); 
+                }
+            }
         }
 
         protected Double _tensilestrength;
@@ -423,9 +556,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _tensilestrength = value; RaisePropertyChanged(nameof(TensileStrength)); 
-            }
+                if (_tensilestrength != value)
+                {
+                    _tensilestrength = value;
+
+                    TensileStrengthChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(TensileStrength)); 
+                }
+            }
         }
 
         protected Double _elongationatbreakpercentage;
@@ -445,9 +584,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _elongationatbreakpercentage = value; RaisePropertyChanged(nameof(ElongationAtBreakPercentage)); 
-            }
+                if (_elongationatbreakpercentage != value)
+                {
+                    _elongationatbreakpercentage = value;
 
+                    ElongationAtBreakPercentageChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ElongationAtBreakPercentage)); 
+                }
+            }
         }
 
         protected Double _estimatedthreaddiameter;
@@ -467,9 +612,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _estimatedthreaddiameter = value; RaisePropertyChanged(nameof(EstimatedThreadDiameter)); 
-            }
+                if (_estimatedthreaddiameter != value)
+                {
+                    _estimatedthreaddiameter = value;
 
+                    EstimatedThreadDiameterChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(EstimatedThreadDiameter)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Cat> _cats;
@@ -487,9 +638,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _cats = value; RaisePropertyChanged(nameof(Cats)); 
-            }
+                if (_cats != value)
+                {
+                    _cats = value;
+
+                    CatsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Cats)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Cct> _ccts;
@@ -507,9 +664,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _ccts = value; RaisePropertyChanged(nameof(Ccts)); 
-            }
+                if (_ccts != value)
+                {
+                    _ccts = value;
+
+                    CctsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Ccts)); 
+                }
+            }
         }
 
         protected FiberShape _fibershape;
@@ -529,9 +692,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _fibershape = value; RaisePropertyChanged(nameof(FiberShape)); 
-            }
+                if (_fibershape != value)
+                {
+                    _fibershape = value;
 
+                    FiberShapeChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(FiberShape)); 
+                }
+            }
         }
 
         protected FiberSynth _fibersynth;
@@ -551,9 +720,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _fibersynth = value; RaisePropertyChanged(nameof(FiberSynth)); 
-            }
+                if (_fibersynth != value)
+                {
+                    _fibersynth = value;
+
+                    FiberSynthChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(FiberSynth)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Job> _jobs;
@@ -571,9 +746,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _jobs = value; RaisePropertyChanged(nameof(Jobs)); 
-            }
+                if (_jobs != value)
+                {
+                    _jobs = value;
+
+                    JobsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Jobs)); 
+                }
+            }
         }
 
         protected LinearMassDensityUnit _linearmassdensityunit;
@@ -593,9 +774,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _linearmassdensityunit = value; RaisePropertyChanged(nameof(LinearMassDensityUnit)); 
-            }
+                if (_linearmassdensityunit != value)
+                {
+                    _linearmassdensityunit = value;
 
+                    LinearMassDensityUnitChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(LinearMassDensityUnit)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<LiquidTypesRml> _liquidtypesrmls;
@@ -613,9 +800,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _liquidtypesrmls = value; RaisePropertyChanged(nameof(LiquidTypesRmls)); 
-            }
+                if (_liquidtypesrmls != value)
+                {
+                    _liquidtypesrmls = value;
 
+                    LiquidTypesRmlsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(LiquidTypesRmls)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Machine> _machines;
@@ -633,9 +826,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machines = value; RaisePropertyChanged(nameof(Machines)); 
-            }
+                if (_machines != value)
+                {
+                    _machines = value;
+
+                    MachinesChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Machines)); 
+                }
+            }
         }
 
         protected MediaColor _mediacolor;
@@ -655,9 +854,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _mediacolor = value; RaisePropertyChanged(nameof(MediaColor)); 
-            }
+                if (_mediacolor != value)
+                {
+                    _mediacolor = value;
+
+                    MediaColorChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(MediaColor)); 
+                }
+            }
         }
 
         protected MediaCondition _mediacondition;
@@ -677,9 +882,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _mediacondition = value; RaisePropertyChanged(nameof(MediaCondition)); 
-            }
+                if (_mediacondition != value)
+                {
+                    _mediacondition = value;
 
+                    MediaConditionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(MediaCondition)); 
+                }
+            }
         }
 
         protected MediaMaterial _mediamaterial;
@@ -699,9 +910,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _mediamaterial = value; RaisePropertyChanged(nameof(MediaMaterial)); 
-            }
+                if (_mediamaterial != value)
+                {
+                    _mediamaterial = value;
+
+                    MediaMaterialChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(MediaMaterial)); 
+                }
+            }
         }
 
         protected MediaPurpos _mediapurpose;
@@ -721,9 +938,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _mediapurpose = value; RaisePropertyChanged(nameof(MediaPurpose)); 
-            }
+                if (_mediapurpose != value)
+                {
+                    _mediapurpose = value;
+
+                    MediaPurposeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(MediaPurpose)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<ProcessParametersTablesGroup> _processparameterstablesgroups;
@@ -741,9 +964,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _processparameterstablesgroups = value; RaisePropertyChanged(nameof(ProcessParametersTablesGroups)); 
-            }
+                if (_processparameterstablesgroups != value)
+                {
+                    _processparameterstablesgroups = value;
+
+                    ProcessParametersTablesGroupsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(ProcessParametersTablesGroups)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Role.cs b/Software/Visual_Studio/Tango.BL/Entities/Role.cs
index eafe7e020..1de50ce21 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Role.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Role.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class Role : ObservableEntity<Role>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<RolesPermission>> RolesPermissionsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<UsersRole>> UsersRolesChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +52,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +80,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +108,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<RolesPermission> _rolespermissions;
@@ -106,9 +134,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rolespermissions = value; RaisePropertyChanged(nameof(RolesPermissions)); 
-            }
+                if (_rolespermissions != value)
+                {
+                    _rolespermissions = value;
 
+                    RolesPermissionsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(RolesPermissions)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<UsersRole> _usersroles;
@@ -126,9 +160,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _usersroles = value; RaisePropertyChanged(nameof(UsersRoles)); 
-            }
+                if (_usersroles != value)
+                {
+                    _usersroles = value;
 
+                    UsersRolesChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(UsersRoles)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/RolesPermission.cs b/Software/Visual_Studio/Tango.BL/Entities/RolesPermission.cs
index f25f1e40f..91bd9d7a1 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/RolesPermission.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/RolesPermission.cs
@@ -25,6 +25,10 @@ namespace Tango.BL.Entities
     public partial class RolesPermission : ObservableEntity<RolesPermission>
     {
 
+        public event EventHandler<Permission> PermissionChanged;
+
+        public event EventHandler<Role> RoleChanged;
+
         protected String _roleguid;
 
         /// <summary>
@@ -43,9 +47,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _roleguid = value; RaisePropertyChanged(nameof(RoleGuid)); 
+                if (_roleguid != value)
+                {
+                    _roleguid = value;
+                    RaisePropertyChanged(nameof(RoleGuid)); 
+                }
             }
-
         }
 
         protected String _permissionguid;
@@ -66,9 +73,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _permissionguid = value; RaisePropertyChanged(nameof(PermissionGuid)); 
+                if (_permissionguid != value)
+                {
+                    _permissionguid = value;
+                    RaisePropertyChanged(nameof(PermissionGuid)); 
+                }
             }
-
         }
 
         protected Permission _permission;
@@ -88,9 +98,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _permission = value; RaisePropertyChanged(nameof(Permission)); 
-            }
+                if (_permission != value)
+                {
+                    _permission = value;
 
+                    PermissionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Permission)); 
+                }
+            }
         }
 
         protected Role _role;
@@ -110,9 +126,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _role = value; RaisePropertyChanged(nameof(Role)); 
-            }
+                if (_role != value)
+                {
+                    _role = value;
 
+                    RoleChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Role)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Segment.cs b/Software/Visual_Studio/Tango.BL/Entities/Segment.cs
index c6e13ee3c..962610749 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Segment.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Segment.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class Segment : ObservableEntity<Segment>
     {
 
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Double> LengthChanged;
+
+        public event EventHandler<Int32> SegmentIndexChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<BrushStop>> BrushStopsChanged;
+
+        public event EventHandler<Job> JobChanged;
+
         protected String _name;
 
         /// <summary>
@@ -42,9 +52,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _jobguid;
@@ -65,9 +81,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _jobguid = value; RaisePropertyChanged(nameof(JobGuid)); 
+                if (_jobguid != value)
+                {
+                    _jobguid = value;
+                    RaisePropertyChanged(nameof(JobGuid)); 
+                }
             }
-
         }
 
         protected Double _length;
@@ -87,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _length = value; RaisePropertyChanged(nameof(Length)); 
-            }
+                if (_length != value)
+                {
+                    _length = value;
+
+                    LengthChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Length)); 
+                }
+            }
         }
 
         protected Int32 _segmentindex;
@@ -109,9 +134,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _segmentindex = value; RaisePropertyChanged(nameof(SegmentIndex)); 
-            }
+                if (_segmentindex != value)
+                {
+                    _segmentindex = value;
+
+                    SegmentIndexChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(SegmentIndex)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<BrushStop> _brushstops;
@@ -129,9 +160,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _brushstops = value; RaisePropertyChanged(nameof(BrushStops)); 
-            }
+                if (_brushstops != value)
+                {
+                    _brushstops = value;
 
+                    BrushStopsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(BrushStops)); 
+                }
+            }
         }
 
         protected Job _job;
@@ -151,9 +188,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _job = value; RaisePropertyChanged(nameof(Job)); 
-            }
+                if (_job != value)
+                {
+                    _job = value;
 
+                    JobChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Job)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/SpoolType.cs b/Software/Visual_Studio/Tango.BL/Entities/SpoolType.cs
index 09c54f3ff..c81a28b02 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/SpoolType.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/SpoolType.cs
@@ -25,6 +25,30 @@ namespace Tango.BL.Entities
     public partial class SpoolType : ObservableEntity<SpoolType>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Double> LengthChanged;
+
+        public event EventHandler<Double> WeightChanged;
+
+        public event EventHandler<Double> DiameterChanged;
+
+        public event EventHandler<Int32> StartOffsetPulsesChanged;
+
+        public event EventHandler<Int32> BackingRateChanged;
+
+        public event EventHandler<Int32> SegmentOffsetPulsesChanged;
+
+        public event EventHandler<Int32> BottomBackingRateChanged;
+
+        public event EventHandler<Double> RotationsPerPassageChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Job>> JobsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Machine>> MachinesChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +66,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +94,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Double _length;
@@ -86,9 +122,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _length = value; RaisePropertyChanged(nameof(Length)); 
-            }
+                if (_length != value)
+                {
+                    _length = value;
+
+                    LengthChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Length)); 
+                }
+            }
         }
 
         protected Double _weight;
@@ -108,9 +150,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _weight = value; RaisePropertyChanged(nameof(Weight)); 
-            }
+                if (_weight != value)
+                {
+                    _weight = value;
+
+                    WeightChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Weight)); 
+                }
+            }
         }
 
         protected Double _diameter;
@@ -130,9 +178,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _diameter = value; RaisePropertyChanged(nameof(Diameter)); 
-            }
+                if (_diameter != value)
+                {
+                    _diameter = value;
+
+                    DiameterChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Diameter)); 
+                }
+            }
         }
 
         protected Int32 _startoffsetpulses;
@@ -152,9 +206,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _startoffsetpulses = value; RaisePropertyChanged(nameof(StartOffsetPulses)); 
-            }
+                if (_startoffsetpulses != value)
+                {
+                    _startoffsetpulses = value;
+
+                    StartOffsetPulsesChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(StartOffsetPulses)); 
+                }
+            }
         }
 
         protected Int32 _backingrate;
@@ -174,9 +234,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _backingrate = value; RaisePropertyChanged(nameof(BackingRate)); 
-            }
+                if (_backingrate != value)
+                {
+                    _backingrate = value;
+
+                    BackingRateChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(BackingRate)); 
+                }
+            }
         }
 
         protected Int32 _segmentoffsetpulses;
@@ -196,9 +262,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _segmentoffsetpulses = value; RaisePropertyChanged(nameof(SegmentOffsetPulses)); 
-            }
+                if (_segmentoffsetpulses != value)
+                {
+                    _segmentoffsetpulses = value;
+
+                    SegmentOffsetPulsesChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(SegmentOffsetPulses)); 
+                }
+            }
         }
 
         protected Int32 _bottombackingrate;
@@ -218,9 +290,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _bottombackingrate = value; RaisePropertyChanged(nameof(BottomBackingRate)); 
-            }
+                if (_bottombackingrate != value)
+                {
+                    _bottombackingrate = value;
+
+                    BottomBackingRateChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(BottomBackingRate)); 
+                }
+            }
         }
 
         protected Double _rotationsperpassage;
@@ -240,9 +318,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _rotationsperpassage = value; RaisePropertyChanged(nameof(RotationsPerPassage)); 
-            }
+                if (_rotationsperpassage != value)
+                {
+                    _rotationsperpassage = value;
+
+                    RotationsPerPassageChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(RotationsPerPassage)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Job> _jobs;
@@ -260,9 +344,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _jobs = value; RaisePropertyChanged(nameof(Jobs)); 
-            }
+                if (_jobs != value)
+                {
+                    _jobs = value;
+
+                    JobsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Jobs)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Machine> _machines;
@@ -280,9 +370,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machines = value; RaisePropertyChanged(nameof(Machines)); 
-            }
+                if (_machines != value)
+                {
+                    _machines = value;
+
+                    MachinesChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Machines)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/Sysdiagram.cs b/Software/Visual_Studio/Tango.BL/Entities/Sysdiagram.cs
index 043b2e064..3fbf6d876 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/Sysdiagram.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/Sysdiagram.cs
@@ -25,6 +25,10 @@ namespace Tango.BL.Entities
     public partial class Sysdiagram : ObservableEntity<Sysdiagram>
     {
 
+        public event EventHandler<SynchronizedObservableCollection<Int32>> VersionChanged;
+
+        public event EventHandler<Byte[]> DefinitionChanged;
+
         protected SynchronizedObservableCollection<Int32> _version;
 
         /// <summary>
@@ -40,9 +44,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _version = value; RaisePropertyChanged(nameof(Version)); 
-            }
+                if (_version != value)
+                {
+                    _version = value;
+
+                    VersionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Version)); 
+                }
+            }
         }
 
         protected Byte[] _definition;
@@ -62,9 +72,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _definition = value; RaisePropertyChanged(nameof(Definition)); 
-            }
+                if (_definition != value)
+                {
+                    _definition = value;
 
+                    DefinitionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Definition)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/TangoVersion.cs b/Software/Visual_Studio/Tango.BL/Entities/TangoVersion.cs
index e2c5190ec..2682cd7de 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/TangoVersion.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/TangoVersion.cs
@@ -25,6 +25,16 @@ namespace Tango.BL.Entities
     public partial class TangoVersion : ObservableEntity<TangoVersion>
     {
 
+        public event EventHandler<String> VersionChanged;
+
+        public event EventHandler<String> BlobNameChanged;
+
+        public event EventHandler<String> CommentsChanged;
+
+        public event EventHandler<MachineVersion> MachineVersionChanged;
+
+        public event EventHandler<User> UserChanged;
+
         protected String _version;
 
         /// <summary>
@@ -42,9 +52,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _version = value; RaisePropertyChanged(nameof(Version)); 
-            }
+                if (_version != value)
+                {
+                    _version = value;
 
+                    VersionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Version)); 
+                }
+            }
         }
 
         protected String _blobname;
@@ -64,9 +80,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _blobname = value; RaisePropertyChanged(nameof(BlobName)); 
-            }
+                if (_blobname != value)
+                {
+                    _blobname = value;
 
+                    BlobNameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(BlobName)); 
+                }
+            }
         }
 
         protected String _comments;
@@ -86,9 +108,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _comments = value; RaisePropertyChanged(nameof(Comments)); 
-            }
+                if (_comments != value)
+                {
+                    _comments = value;
+
+                    CommentsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Comments)); 
+                }
+            }
         }
 
         protected String _userguid;
@@ -109,9 +137,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _userguid = value; RaisePropertyChanged(nameof(UserGuid)); 
+                if (_userguid != value)
+                {
+                    _userguid = value;
+                    RaisePropertyChanged(nameof(UserGuid)); 
+                }
             }
-
         }
 
         protected String _machineversionguid;
@@ -132,9 +163,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machineversionguid = value; RaisePropertyChanged(nameof(MachineVersionGuid)); 
+                if (_machineversionguid != value)
+                {
+                    _machineversionguid = value;
+                    RaisePropertyChanged(nameof(MachineVersionGuid)); 
+                }
             }
-
         }
 
         protected MachineVersion _machineversion;
@@ -154,9 +188,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machineversion = value; RaisePropertyChanged(nameof(MachineVersion)); 
-            }
+                if (_machineversion != value)
+                {
+                    _machineversion = value;
 
+                    MachineVersionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(MachineVersion)); 
+                }
+            }
         }
 
         protected User _user;
@@ -176,9 +216,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _user = value; RaisePropertyChanged(nameof(User)); 
-            }
+                if (_user != value)
+                {
+                    _user = value;
 
+                    UserChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(User)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/TechController.cs b/Software/Visual_Studio/Tango.BL/Entities/TechController.cs
index 2a9e98510..bc217c58a 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/TechController.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/TechController.cs
@@ -25,6 +25,18 @@ namespace Tango.BL.Entities
     public partial class TechController : ObservableEntity<TechController>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<Double> MinChanged;
+
+        public event EventHandler<Double> MaxChanged;
+
+        public event EventHandler<String> UnitsChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +54,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +82,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +110,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected Double _min;
@@ -108,9 +138,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _min = value; RaisePropertyChanged(nameof(Min)); 
-            }
+                if (_min != value)
+                {
+                    _min = value;
+
+                    MinChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Min)); 
+                }
+            }
         }
 
         protected Double _max;
@@ -130,9 +166,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _max = value; RaisePropertyChanged(nameof(Max)); 
-            }
+                if (_max != value)
+                {
+                    _max = value;
+
+                    MaxChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Max)); 
+                }
+            }
         }
 
         protected String _units;
@@ -152,9 +194,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _units = value; RaisePropertyChanged(nameof(Units)); 
-            }
+                if (_units != value)
+                {
+                    _units = value;
+
+                    UnitsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Units)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/TechDispenser.cs b/Software/Visual_Studio/Tango.BL/Entities/TechDispenser.cs
index 8e730e6b4..e027dfc5c 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/TechDispenser.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/TechDispenser.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class TechDispenser : ObservableEntity<TechDispenser>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +104,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/TechHeater.cs b/Software/Visual_Studio/Tango.BL/Entities/TechHeater.cs
index 5ebf86451..0a428f758 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/TechHeater.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/TechHeater.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class TechHeater : ObservableEntity<TechHeater>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +76,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +104,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/TechIo.cs b/Software/Visual_Studio/Tango.BL/Entities/TechIo.cs
index 4d0c5186f..ba745d7bd 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/TechIo.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/TechIo.cs
@@ -25,6 +25,28 @@ namespace Tango.BL.Entities
     public partial class TechIo : ObservableEntity<TechIo>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<Int32> TypeChanged;
+
+        public event EventHandler<String> DesignatorChanged;
+
+        public event EventHandler<String> AsmChanged;
+
+        public event EventHandler<String> InterfaceNameChanged;
+
+        public event EventHandler<String> SensorChanged;
+
+        public event EventHandler<Double> InitValueChanged;
+
+        public event EventHandler<Int32> AveragingChanged;
+
+        public event EventHandler<Double> MinChanged;
+
+        public event EventHandler<Double> MaxChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +64,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +92,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected Int32 _type;
@@ -86,9 +120,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _type = value; RaisePropertyChanged(nameof(Type)); 
-            }
+                if (_type != value)
+                {
+                    _type = value;
+
+                    TypeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Type)); 
+                }
+            }
         }
 
         protected String _designator;
@@ -108,9 +148,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _designator = value; RaisePropertyChanged(nameof(Designator)); 
-            }
+                if (_designator != value)
+                {
+                    _designator = value;
+
+                    DesignatorChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Designator)); 
+                }
+            }
         }
 
         protected String _asm;
@@ -130,9 +176,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _asm = value; RaisePropertyChanged(nameof(Asm)); 
-            }
+                if (_asm != value)
+                {
+                    _asm = value;
+
+                    AsmChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Asm)); 
+                }
+            }
         }
 
         protected String _interfacename;
@@ -152,9 +204,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _interfacename = value; RaisePropertyChanged(nameof(InterfaceName)); 
-            }
+                if (_interfacename != value)
+                {
+                    _interfacename = value;
+
+                    InterfaceNameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(InterfaceName)); 
+                }
+            }
         }
 
         protected String _sensor;
@@ -174,9 +232,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _sensor = value; RaisePropertyChanged(nameof(Sensor)); 
-            }
+                if (_sensor != value)
+                {
+                    _sensor = value;
+
+                    SensorChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Sensor)); 
+                }
+            }
         }
 
         protected Double _initvalue;
@@ -196,9 +260,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _initvalue = value; RaisePropertyChanged(nameof(InitValue)); 
-            }
+                if (_initvalue != value)
+                {
+                    _initvalue = value;
 
+                    InitValueChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(InitValue)); 
+                }
+            }
         }
 
         protected Int32 _averaging;
@@ -218,9 +288,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _averaging = value; RaisePropertyChanged(nameof(Averaging)); 
-            }
+                if (_averaging != value)
+                {
+                    _averaging = value;
 
+                    AveragingChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Averaging)); 
+                }
+            }
         }
 
         protected Double _min;
@@ -240,9 +316,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _min = value; RaisePropertyChanged(nameof(Min)); 
-            }
+                if (_min != value)
+                {
+                    _min = value;
 
+                    MinChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Min)); 
+                }
+            }
         }
 
         protected Double _max;
@@ -262,9 +344,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _max = value; RaisePropertyChanged(nameof(Max)); 
-            }
+                if (_max != value)
+                {
+                    _max = value;
 
+                    MaxChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Max)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/TechMonitor.cs b/Software/Visual_Studio/Tango.BL/Entities/TechMonitor.cs
index d47fd5955..2e6d39770 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/TechMonitor.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/TechMonitor.cs
@@ -25,6 +25,24 @@ namespace Tango.BL.Entities
     public partial class TechMonitor : ObservableEntity<TechMonitor>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<Double> MinChanged;
+
+        public event EventHandler<Double> MaxChanged;
+
+        public event EventHandler<String> UnitsChanged;
+
+        public event EventHandler<Int32> PointsPerFrameChanged;
+
+        public event EventHandler<Boolean> MultiChannelChanged;
+
+        public event EventHandler<Int32> ChannelCountChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +60,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +88,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +116,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
 
+                    DescriptionChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected Double _min;
@@ -108,9 +144,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _min = value; RaisePropertyChanged(nameof(Min)); 
-            }
+                if (_min != value)
+                {
+                    _min = value;
+
+                    MinChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Min)); 
+                }
+            }
         }
 
         protected Double _max;
@@ -130,9 +172,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _max = value; RaisePropertyChanged(nameof(Max)); 
-            }
+                if (_max != value)
+                {
+                    _max = value;
+
+                    MaxChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Max)); 
+                }
+            }
         }
 
         protected String _units;
@@ -152,9 +200,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _units = value; RaisePropertyChanged(nameof(Units)); 
-            }
+                if (_units != value)
+                {
+                    _units = value;
 
+                    UnitsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Units)); 
+                }
+            }
         }
 
         protected Int32 _pointsperframe;
@@ -174,9 +228,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _pointsperframe = value; RaisePropertyChanged(nameof(PointsPerFrame)); 
-            }
+                if (_pointsperframe != value)
+                {
+                    _pointsperframe = value;
+
+                    PointsPerFrameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(PointsPerFrame)); 
+                }
+            }
         }
 
         protected Boolean _multichannel;
@@ -196,9 +256,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _multichannel = value; RaisePropertyChanged(nameof(MultiChannel)); 
-            }
+                if (_multichannel != value)
+                {
+                    _multichannel = value;
+
+                    MultiChannelChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(MultiChannel)); 
+                }
+            }
         }
 
         protected Int32 _channelcount;
@@ -218,9 +284,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _channelcount = value; RaisePropertyChanged(nameof(ChannelCount)); 
-            }
+                if (_channelcount != value)
+                {
+                    _channelcount = value;
 
+                    ChannelCountChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(ChannelCount)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/TechValve.cs b/Software/Visual_Studio/Tango.BL/Entities/TechValve.cs
index 68c55867d..091e495cb 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/TechValve.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/TechValve.cs
@@ -30,6 +30,18 @@ namespace Tango.BL.Entities
     public partial class TechValve : ObservableEntity<TechValve>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<Int32> TypeChanged;
+
+        public event EventHandler<String> State1Changed;
+
+        public event EventHandler<String> State2Changed;
+
         protected Int32 _code;
 
         /// <summary>
@@ -47,9 +59,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -69,9 +87,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
+
+                    NameChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -91,9 +115,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected Int32 _type;
@@ -114,9 +144,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _type = value; RaisePropertyChanged(nameof(Type)); 
-            }
+                if (_type != value)
+                {
+                    _type = value;
+
+                    TypeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Type)); 
+                }
+            }
         }
 
         protected String _state1;
@@ -136,9 +172,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _state1 = value; RaisePropertyChanged(nameof(State1)); 
-            }
+                if (_state1 != value)
+                {
+                    _state1 = value;
+
+                    State1Changed?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(State1)); 
+                }
+            }
         }
 
         protected String _state2;
@@ -158,9 +200,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _state2 = value; RaisePropertyChanged(nameof(State2)); 
-            }
+                if (_state2 != value)
+                {
+                    _state2 = value;
+
+                    State2Changed?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(State2)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/User.cs b/Software/Visual_Studio/Tango.BL/Entities/User.cs
index 1a121217b..3929e7e47 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/User.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/User.cs
@@ -25,6 +25,30 @@ namespace Tango.BL.Entities
     public partial class User : ObservableEntity<User>
     {
 
+        public event EventHandler<Boolean> DeletedChanged;
+
+        public event EventHandler<String> EmailChanged;
+
+        public event EventHandler<String> PasswordChanged;
+
+        public event EventHandler<Nullable<DateTime>> LastLoginChanged;
+
+        public event EventHandler<Address> AddressChanged;
+
+        public event EventHandler<Contact> ContactChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Job>> JobsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<MachineStudioVersion>> MachineStudioVersionsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<MachinesEvent>> MachinesEventsChanged;
+
+        public event EventHandler<Organization> OrganizationChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<TangoVersion>> TangoVersionsChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<UsersRole>> UsersRolesChanged;
+
         protected Boolean _deleted;
 
         /// <summary>
@@ -42,9 +66,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _deleted = value; RaisePropertyChanged(nameof(Deleted)); 
-            }
+                if (_deleted != value)
+                {
+                    _deleted = value;
 
+                    DeletedChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Deleted)); 
+                }
+            }
         }
 
         protected String _email;
@@ -64,9 +94,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _email = value; RaisePropertyChanged(nameof(Email)); 
-            }
+                if (_email != value)
+                {
+                    _email = value;
+
+                    EmailChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Email)); 
+                }
+            }
         }
 
         protected String _password;
@@ -86,9 +122,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _password = value; RaisePropertyChanged(nameof(Password)); 
-            }
+                if (_password != value)
+                {
+                    _password = value;
+
+                    PasswordChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Password)); 
+                }
+            }
         }
 
         protected String _organizationguid;
@@ -109,9 +151,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _organizationguid = value; RaisePropertyChanged(nameof(OrganizationGuid)); 
+                if (_organizationguid != value)
+                {
+                    _organizationguid = value;
+                    RaisePropertyChanged(nameof(OrganizationGuid)); 
+                }
             }
-
         }
 
         protected String _contactguid;
@@ -132,9 +177,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _contactguid = value; RaisePropertyChanged(nameof(ContactGuid)); 
+                if (_contactguid != value)
+                {
+                    _contactguid = value;
+                    RaisePropertyChanged(nameof(ContactGuid)); 
+                }
             }
-
         }
 
         protected String _addressguid;
@@ -155,9 +203,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _addressguid = value; RaisePropertyChanged(nameof(AddressGuid)); 
+                if (_addressguid != value)
+                {
+                    _addressguid = value;
+                    RaisePropertyChanged(nameof(AddressGuid)); 
+                }
             }
-
         }
 
         protected Nullable<DateTime> _lastlogin;
@@ -177,9 +228,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _lastlogin = value; RaisePropertyChanged(nameof(LastLogin)); 
-            }
+                if (_lastlogin != value)
+                {
+                    _lastlogin = value;
+
+                    LastLoginChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(LastLogin)); 
+                }
+            }
         }
 
         protected Address _address;
@@ -199,9 +256,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _address = value; RaisePropertyChanged(nameof(Address)); 
-            }
+                if (_address != value)
+                {
+                    _address = value;
 
+                    AddressChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Address)); 
+                }
+            }
         }
 
         protected Contact _contact;
@@ -221,9 +284,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _contact = value; RaisePropertyChanged(nameof(Contact)); 
-            }
+                if (_contact != value)
+                {
+                    _contact = value;
+
+                    ContactChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Contact)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Job> _jobs;
@@ -241,9 +310,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _jobs = value; RaisePropertyChanged(nameof(Jobs)); 
-            }
+                if (_jobs != value)
+                {
+                    _jobs = value;
+
+                    JobsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Jobs)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<MachineStudioVersion> _machinestudioversions;
@@ -261,9 +336,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machinestudioversions = value; RaisePropertyChanged(nameof(MachineStudioVersions)); 
-            }
+                if (_machinestudioversions != value)
+                {
+                    _machinestudioversions = value;
+
+                    MachineStudioVersionsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(MachineStudioVersions)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<MachinesEvent> _machinesevents;
@@ -281,9 +362,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _machinesevents = value; RaisePropertyChanged(nameof(MachinesEvents)); 
-            }
+                if (_machinesevents != value)
+                {
+                    _machinesevents = value;
+
+                    MachinesEventsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(MachinesEvents)); 
+                }
+            }
         }
 
         protected Organization _organization;
@@ -303,9 +390,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _organization = value; RaisePropertyChanged(nameof(Organization)); 
-            }
+                if (_organization != value)
+                {
+                    _organization = value;
+
+                    OrganizationChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Organization)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<TangoVersion> _tangoversions;
@@ -323,9 +416,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _tangoversions = value; RaisePropertyChanged(nameof(TangoVersions)); 
-            }
+                if (_tangoversions != value)
+                {
+                    _tangoversions = value;
+
+                    TangoVersionsChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(TangoVersions)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<UsersRole> _usersroles;
@@ -343,9 +442,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _usersroles = value; RaisePropertyChanged(nameof(UsersRoles)); 
-            }
+                if (_usersroles != value)
+                {
+                    _usersroles = value;
+
+                    UsersRolesChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(UsersRoles)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/UsersRole.cs b/Software/Visual_Studio/Tango.BL/Entities/UsersRole.cs
index 9839028a0..10a6d774f 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/UsersRole.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/UsersRole.cs
@@ -25,6 +25,12 @@ namespace Tango.BL.Entities
     public partial class UsersRole : ObservableEntity<UsersRole>
     {
 
+        public event EventHandler<Boolean> DeletedChanged;
+
+        public event EventHandler<Role> RoleChanged;
+
+        public event EventHandler<User> UserChanged;
+
         protected Boolean _deleted;
 
         /// <summary>
@@ -42,9 +48,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _deleted = value; RaisePropertyChanged(nameof(Deleted)); 
-            }
+                if (_deleted != value)
+                {
+                    _deleted = value;
 
+                    DeletedChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Deleted)); 
+                }
+            }
         }
 
         protected String _userguid;
@@ -65,9 +77,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _userguid = value; RaisePropertyChanged(nameof(UserGuid)); 
+                if (_userguid != value)
+                {
+                    _userguid = value;
+                    RaisePropertyChanged(nameof(UserGuid)); 
+                }
             }
-
         }
 
         protected String _roleguid;
@@ -88,9 +103,12 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _roleguid = value; RaisePropertyChanged(nameof(RoleGuid)); 
+                if (_roleguid != value)
+                {
+                    _roleguid = value;
+                    RaisePropertyChanged(nameof(RoleGuid)); 
+                }
             }
-
         }
 
         protected Role _role;
@@ -110,9 +128,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _role = value; RaisePropertyChanged(nameof(Role)); 
-            }
+                if (_role != value)
+                {
+                    _role = value;
 
+                    RoleChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Role)); 
+                }
+            }
         }
 
         protected User _user;
@@ -132,9 +156,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _user = value; RaisePropertyChanged(nameof(User)); 
-            }
+                if (_user != value)
+                {
+                    _user = value;
+
+                    UserChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(User)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.BL/Entities/WindingMethod.cs b/Software/Visual_Studio/Tango.BL/Entities/WindingMethod.cs
index 6d3978591..9de13f11d 100644
--- a/Software/Visual_Studio/Tango.BL/Entities/WindingMethod.cs
+++ b/Software/Visual_Studio/Tango.BL/Entities/WindingMethod.cs
@@ -25,6 +25,14 @@ namespace Tango.BL.Entities
     public partial class WindingMethod : ObservableEntity<WindingMethod>
     {
 
+        public event EventHandler<Int32> CodeChanged;
+
+        public event EventHandler<String> NameChanged;
+
+        public event EventHandler<String> DescriptionChanged;
+
+        public event EventHandler<SynchronizedObservableCollection<Job>> JobsChanged;
+
         protected Int32 _code;
 
         /// <summary>
@@ -42,9 +50,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _code = value; RaisePropertyChanged(nameof(Code)); 
-            }
+                if (_code != value)
+                {
+                    _code = value;
+
+                    CodeChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Code)); 
+                }
+            }
         }
 
         protected String _name;
@@ -64,9 +78,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _name = value; RaisePropertyChanged(nameof(Name)); 
-            }
+                if (_name != value)
+                {
+                    _name = value;
 
+                    NameChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Name)); 
+                }
+            }
         }
 
         protected String _description;
@@ -86,9 +106,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _description = value; RaisePropertyChanged(nameof(Description)); 
-            }
+                if (_description != value)
+                {
+                    _description = value;
+
+                    DescriptionChanged?.Invoke(this, value);
 
+                    RaisePropertyChanged(nameof(Description)); 
+                }
+            }
         }
 
         protected SynchronizedObservableCollection<Job> _jobs;
@@ -106,9 +132,15 @@ namespace Tango.BL.Entities
 
             set 
             {
-                _jobs = value; RaisePropertyChanged(nameof(Jobs)); 
-            }
+                if (_jobs != value)
+                {
+                    _jobs = value;
 
+                    JobsChanged?.Invoke(this, value);
+
+                    RaisePropertyChanged(nameof(Jobs)); 
+                }
+            }
         }
 
         /// <summary>
diff --git a/Software/Visual_Studio/Tango.CSV/CsvFile.cs b/Software/Visual_Studio/Tango.CSV/CsvFile.cs
index d180f0139..4a4e8d99f 100644
--- a/Software/Visual_Studio/Tango.CSV/CsvFile.cs
+++ b/Software/Visual_Studio/Tango.CSV/CsvFile.cs
@@ -36,7 +36,7 @@ namespace Tango.CSV
                 TextQualifier = '"'
             };
             UseLambdas = true;
-            UseTasks = true;
+            UseTasks = false;
             FastIndexOfAny = true;
         }
 
diff --git a/Software/Visual_Studio/Tango.CodeGeneration/Templates/EntityCodeFile.cshtml b/Software/Visual_Studio/Tango.CodeGeneration/Templates/EntityCodeFile.cshtml
index 2231c30f1..daa4e7d51 100644
--- a/Software/Visual_Studio/Tango.CodeGeneration/Templates/EntityCodeFile.cshtml
+++ b/Software/Visual_Studio/Tango.CodeGeneration/Templates/EntityCodeFile.cshtml
@@ -34,6 +34,16 @@ namespace Tango.BL.Entities
     {
         @foreach (var prop in Model.Fields)
         {
+            if (!prop.Name.EndsWith("Guid"))
+            {
+                <div>
+                public event EventHandler<@(prop.Type)> @(prop.Name)Changed;
+                </div>
+            }
+        }
+
+        @foreach (var prop in Model.Fields)
+        {
     <div>
         protected @(prop.Type) _@(prop.Name.ToLower());
         @if (prop.DbDescription != null)
@@ -59,7 +69,20 @@ namespace Tango.BL.Entities
         public @(prop.Construct || prop.Complex ? "virtual" : "") @(prop.Type) @(prop.Name)
         {
             get { return _@(prop.Name.ToLower()); }
-            set { _@(prop.Name.ToLower()) = value; RaisePropertyChanged(nameof(@(prop.Name))); }
+            set 
+            { 
+                if (_@(prop.Name.ToLower()) != value)
+                {
+                    _@(prop.Name.ToLower()) = value;
+                    @if (!prop.Name.EndsWith("Guid"))
+                    {
+                        <div>
+                            @(prop.Name)Changed?.Invoke(this, value);
+                        </div>
+                    }
+                    RaisePropertyChanged(nameof(@(prop.Name))); 
+                }
+            }
         }
     </div>
         }
diff --git a/Software/Visual_Studio/Tango.Emulations/Emulators/MachineEmulator.cs b/Software/Visual_Studio/Tango.Emulations/Emulators/MachineEmulator.cs
index 9dabb6508..499138e0a 100644
--- a/Software/Visual_Studio/Tango.Emulations/Emulators/MachineEmulator.cs
+++ b/Software/Visual_Studio/Tango.Emulations/Emulators/MachineEmulator.cs
@@ -375,8 +375,18 @@ namespace Tango.Emulations.Emulators
                         monitors.BlowerVoltage.Add(blower_state.IsActive ? blower_state.Voltage : 0);
                     }
 
-                    monitors.Dancer2Angle.Add(Cursor.Position.Y);
-                    monitors.Dancer3Angle.Add(Cursor.Position.Y);
+                    int y = Cursor.Position.Y;
+
+                    for (int i = 0; i < 30; i++)
+                    {
+                        monitors.Dancer2Angle.Add(y);
+                    }
+
+                    for (int i = 0; i < 30; i++)
+                    {
+                        monitors.Dancer3Angle.Add(y);
+                    }
+                    
 
                     var dispenserFrequencies = new RepeatedField<DoubleArray>();