Added code comments for:

MachineStudio.Common.

18 files changed, 262 insertions, 20 deletions

diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Authentication/IAuthenticationProvider.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Authentication/IAuthenticationProvider.cs
index 488a2f6dc..e2d4072ba 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Authentication/IAuthenticationProvider.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Authentication/IAuthenticationProvider.cs
@@ -7,14 +7,32 @@ using Tango.DAL.Observables;
 
 namespace Tango.MachineStudio.Common.Authentication
 {
+    /// <summary>
+    /// Represents the Machine Studio user authentication provider responsible for the current logged-in user.
+    /// </summary>
     public interface IAuthenticationProvider
     {
+        /// <summary>
+        /// Occurs when the current logged-in user has changed.
+        /// </summary>
         event EventHandler<User> CurrentUserChanged;
 
+        /// <summary>
+        /// Gets the current logged-in user.
+        /// </summary>
         User CurrentUser { get; }
 
+        /// <summary>
+        /// Performs a user login by the specified email and password.
+        /// </summary>
+        /// <param name="email">The email.</param>
+        /// <param name="password">The password.</param>
+        /// <returns></returns>
         User Login(String email, String password);
 
+        /// <summary>
+        /// Logs-out the current logged-in user.
+        /// </summary>
         void Logout();
     }
 }
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiChild.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiChild.cs
index 469e3fda5..109b00531 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiChild.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiChild.cs
@@ -10,19 +10,34 @@ using Tango.Core.Commands;
 
 namespace Tango.MachineStudio.Common.Controls
 {
+    /// <summary>
+    /// Represents an <see cref="MdiContainerControl"/> child control.
+    /// </summary>
+    /// <seealso cref="System.Windows.DependencyObject" />
     public class MdiChild : DependencyObject
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MdiChild"/> class.
+        /// </summary>
         public MdiChild()
         {
            
         }
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MdiChild"/> class.
+        /// </summary>
+        /// <param name="header">The header.</param>
+        /// <param name="view">The view.</param>
         public MdiChild(String header, FrameworkElement view) : this()
         {
             Header = header;
             View = view;
         }
 
+        /// <summary>
+        /// Gets or sets the icon.
+        /// </summary>
         public PackIconKind Icon
         {
             get { return (PackIconKind)GetValue(IconProperty); }
@@ -31,6 +46,9 @@ namespace Tango.MachineStudio.Common.Controls
         public static readonly DependencyProperty IconProperty =
             DependencyProperty.Register("Icon", typeof(PackIconKind), typeof(MdiChild), new PropertyMetadata(PackIconKind.LaptopWindows));
 
+        /// <summary>
+        /// Gets or sets the header.
+        /// </summary>
         public String Header
         {
             get { return (String)GetValue(HeaderProperty); }
@@ -39,6 +57,9 @@ namespace Tango.MachineStudio.Common.Controls
         public static readonly DependencyProperty HeaderProperty =
             DependencyProperty.Register("Header", typeof(String), typeof(MdiChild), new PropertyMetadata(null));
 
+        /// <summary>
+        /// Gets or sets the view.
+        /// </summary>
         public FrameworkElement View
         {
             get { return (FrameworkElement)GetValue(ViewProperty); }
@@ -47,6 +68,9 @@ namespace Tango.MachineStudio.Common.Controls
         public static readonly DependencyProperty ViewProperty =
             DependencyProperty.Register("View", typeof(FrameworkElement), typeof(MdiChild), new PropertyMetadata(null));
 
+        /// <summary>
+        /// Gets or sets the location.
+        /// </summary>
         public Point Location
         {
             get { return (Point)GetValue(LocationProperty); }
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiContainerControl.xaml.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiContainerControl.xaml.cs
index dbf4ee74b..ceeda050b 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiContainerControl.xaml.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Controls/MdiContainerControl.xaml.cs
@@ -20,8 +20,11 @@ using Tango.SharedUI.Helpers;
 namespace Tango.MachineStudio.Common.Controls
 {
     /// <summary>
-    /// Interaction logic for MdiContainerControl.xaml
+    /// Represents an MDI-style container
     /// </summary>
+    /// <seealso cref="System.Windows.Controls.UserControl" />
+    /// <seealso cref="System.Windows.Markup.IComponentConnector" />
+    /// <seealso cref="System.Windows.Markup.IStyleConnector" />
     public partial class MdiContainerControl : UserControl
     {
         private const int MIN_SIZE = 200;
@@ -63,7 +66,6 @@ namespace Tango.MachineStudio.Common.Controls
             return UIHelper.FindChild<Canvas>(itemsControl, "canvas");
         }
 
-
         private void OnControlMouseDown(object sender, MouseButtonEventArgs e)
         {
             Canvas.SetZIndex(sender as FrameworkElement, GetCanvas().Children.OfType<FrameworkElement>().Max(x => Canvas.GetZIndex(x) + 1));
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Converters/PointToMarginConverter.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Converters/PointToMarginConverter.cs
index e6587b1ee..94748fb26 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Converters/PointToMarginConverter.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Converters/PointToMarginConverter.cs
@@ -9,8 +9,13 @@ using System.Windows.Data;
 
 namespace Tango.MachineStudio.Common.Converters
 {
+    /// <summary>
+    /// Represents a <see cref="Point"/> to <see cref="Thickness"/> binding converter.
+    /// </summary>
+    /// <seealso cref="System.Windows.Data.IValueConverter" />
     public class PointToMarginConverter : IValueConverter
     {
+
         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
         {
             Point p = (Point)value;
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ExtensionMethods/IStudioMessageExtensions.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ExtensionMethods/IStudioMessageExtensions.cs
index 83183f328..7ae259e04 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ExtensionMethods/IStudioMessageExtensions.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ExtensionMethods/IStudioMessageExtensions.cs
@@ -6,8 +6,15 @@ using System.Text;
 using System.Threading.Tasks;
 using Tango.MachineStudio.Common.Messages;
 
+/// <summary>
+/// Contains <see cref="IStudioMessage"/> extension methods.
+/// </summary>
 public static class IStudioMessageExtensions
 {
+    /// <summary>
+    /// Sends the message.
+    /// </summary>
+    /// <param name="message">The message.</param>
     public static void Send(this IStudioMessage message)
     {
         Messenger.Default.Send(message);
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ExtensionMethods/UserExtensions.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ExtensionMethods/UserExtensions.cs
deleted file mode 100644
index a6c98319e..000000000
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ExtensionMethods/UserExtensions.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Tango.DAL.Observables;
-
-public static class UserExtensions
-{
-    public static bool HasPermission(this User user, Permissions permission)
-    {
-        return user.UsersRoles.Select(x => x.Role).ToList().SelectMany(x => x.RolesPermissions).ToList().Exists(x => x.Permission.Code == permission.ToInt32());
-    }
-}
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/IStudioModule.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/IStudioModule.cs
index 902a45a2f..21377fb5f 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/IStudioModule.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/IStudioModule.cs
@@ -9,20 +9,45 @@ using Tango.DAL.Observables;
 
 namespace Tango.MachineStudio.Common
 {
+    /// <summary>
+    /// Represents a Machine Studio module.
+    /// </summary>
+    /// <seealso cref="System.IDisposable" />
     public interface IStudioModule : IDisposable
     {
+        /// <summary>
+        /// Gets the module name.
+        /// </summary>
         String Name { get; }
 
+        /// <summary>
+        /// Gets the module description.
+        /// </summary>
         String Description { get; }
 
+        /// <summary>
+        /// Gets the module cover image.
+        /// </summary>
         BitmapSource Image { get; }
 
+        /// <summary>
+        /// Gets the module entry point view.
+        /// </summary>
         FrameworkElement MainView { get; }
 
+        /// <summary>
+        /// Gets the permission required to see and load this module.
+        /// </summary>
         Permissions Permission { get; }
 
+        /// <summary>
+        /// Gets a value indicating whether this module has been initialized.
+        /// </summary>
         bool IsInitialized { get; }
 
+        /// <summary>
+        /// Perform any operations required to initialize this module.
+        /// </summary>
         void Initialize();
     }
 }
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Messages/IStudioMessage.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Messages/IStudioMessage.cs
index 7d1232c7b..61056ab16 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Messages/IStudioMessage.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Messages/IStudioMessage.cs
@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 
 namespace Tango.MachineStudio.Common.Messages
 {
+    /// <summary>
+    /// Represents an MVVM base interface for MVVM Light Messenger messages.
+    /// </summary>
     public interface IStudioMessage
     {
 
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Modules/IStudioModuleLoader.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Modules/IStudioModuleLoader.cs
index d67accbc1..cb9f1122f 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Modules/IStudioModuleLoader.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Modules/IStudioModuleLoader.cs
@@ -7,12 +7,24 @@ using System.Threading.Tasks;
 
 namespace Tango.MachineStudio.Common.Modules
 {
+    /// <summary>
+    /// Represents a Machine Studio <see cref="IStudioModule"/> modules loading engine.
+    /// </summary>
     public interface IStudioModuleLoader
     {
+        /// <summary>
+        /// Gets all loaded modules.
+        /// </summary>
         ObservableCollection<IStudioModule> AllModules { get; }
 
+        /// <summary>
+        /// Gets all the user permitted modules.
+        /// </summary>
         ObservableCollection<IStudioModule> UserModules { get; }
 
+        /// <summary>
+        /// Loads all available Machine Studio modules.
+        /// </summary>
         void LoadModules();
     }
 }
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Navigation/INavigationManager.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Navigation/INavigationManager.cs
index 631f9e2eb..4d1cbea8c 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Navigation/INavigationManager.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Navigation/INavigationManager.cs
@@ -6,8 +6,15 @@ using System.Threading.Tasks;
 
 namespace Tango.MachineStudio.Common.Navigation
 {
+    /// <summary>
+    /// Represents the Machine Studio views navigation manager.
+    /// </summary>
     public interface INavigationManager
     {
+        /// <summary>
+        /// Navigates to the specified view.
+        /// </summary>
+        /// <param name="view">The view.</param>
         void NavigateTo(NavigationView view);
     }
 }
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Navigation/NavigationView.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Navigation/NavigationView.cs
index 77dbaf5b4..db0f0471f 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Navigation/NavigationView.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Navigation/NavigationView.cs
@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 
 namespace Tango.MachineStudio.Common.Navigation
 {
+    /// <summary>
+    /// Represents the available views to navigate to using the <see cref="INavigationManager"/>.
+    /// </summary>
     public enum NavigationView
     {
         LoadingView,
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Notifications/DialogViewVM.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Notifications/DialogViewVM.cs
index e5e4cac78..5fcd63071 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Notifications/DialogViewVM.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Notifications/DialogViewVM.cs
@@ -8,11 +8,18 @@ using Tango.SharedUI;
 
 namespace Tango.MachineStudio.Common.Notifications
 {
+    /// <summary>
+    /// Represents a dialog view model base class.
+    /// </summary>
+    /// <seealso cref="Tango.SharedUI.ViewModel" />
     public abstract class DialogViewVM : ViewModel
     {
         public event Action Accepted;
         public event Action Canceled;
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DialogViewVM"/> class.
+        /// </summary>
         public DialogViewVM()
         {
             CanClose = true;
@@ -20,25 +27,39 @@ namespace Tango.MachineStudio.Common.Notifications
         }
 
         private bool _canClose;
-
+        /// <summary>
+        /// Gets or sets a value indicating whether this dialog can be closed.
+        /// </summary>
         public bool CanClose
         {
             get { return _canClose; }
             set { _canClose = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
         }
 
+        /// <summary>
+        /// Gets or sets the close command.
+        /// </summary>
         public RelayCommand CloseCommand { get; set; }
 
+        /// <summary>
+        /// Called when the dialog has been shown.
+        /// </summary>
         public virtual void OnShow()
         {
 
         }
 
+        /// <summary>
+        /// Invokes the <see cref="Accepted"/> event.
+        /// </summary>
         protected virtual void Accept()
         {
             Accepted?.Invoke();
         }
 
+        /// <summary>
+        /// Invokes the <see cref="Canceled"/> event.
+        /// </summary>
         protected virtual void Cancel()
         {
             Canceled?.Invoke();
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Notifications/INotificationProvider.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Notifications/INotificationProvider.cs
index 937a39ec2..30e5626a1 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Notifications/INotificationProvider.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Notifications/INotificationProvider.cs
@@ -10,34 +10,101 @@ using System.Windows.Media;
 
 namespace Tango.MachineStudio.Common.Notifications
 {
+    /// <summary>
+    /// Represents the Machine Studio user notification provider responsible for displaying information, alerts and dialogs to the user.
+    /// </summary>
     public interface INotificationProvider
     {
+        /// <summary>
+        /// Gets the collection of active task items.
+        /// </summary>
         ObservableCollection<TaskItem> TaskItems { get; }
 
+        /// <summary>
+        /// Gets the current displayed task item.
+        /// </summary>
         TaskItem CurrentTaskItem { get; }
 
+        /// <summary>
+        /// Gets a value indicating whether there are any queued task items.
+        /// </summary>
         bool HasTaskItems { get; }
 
+        /// <summary>
+        /// Pushes the specified task item to the queue.
+        /// </summary>
+        /// <param name="taskItem">The task item.</param>
         void PushTaskItem(TaskItem taskItem);
 
+        /// <summary>
+        /// Create and push a new task item from the specified message.
+        /// </summary>
+        /// <param name="message">The message.</param>
+        /// <returns></returns>
         TaskItem PushTaskItem(String message);
 
+        /// <summary>
+        /// Removed the specified task item from the queue.
+        /// </summary>
+        /// <param name="taskItem">The task item.</param>
         void PopTaskItem(TaskItem taskItem);
 
+        /// <summary>
+        /// Creates a new instance of the specified View type and displays it as a modal dialog.
+        /// </summary>
+        /// <typeparam name="View">The type of the view.</typeparam>
+        /// <typeparam name="VM">The type of the view model.</typeparam>
+        /// <param name="onAccept">Accept button callback.</param>
+        /// <param name="onCancel">Cancel button callback.</param>
         void ShowModalDialog<View, VM>(Action<VM> onAccept, Action onCancel) where View : FrameworkElement where VM : DialogViewVM;
 
+        /// <summary>
+        /// Creates a new view by a naming convention of the specified view model type.
+        /// </summary>
+        /// <typeparam name="VM">The type of the view model.</typeparam>
+        /// <param name="onAccept">Accept button callback.</param>
+        /// <param name="onCancel">Cancel button callback.</param>
         void ShowModalDialog<VM>(Action<VM> onAccept, Action onCancel) where VM : DialogViewVM;
 
+        /// <summary>
+        /// Creates a new view by a naming convention of the specified view model type.
+        /// </summary>
+        /// <typeparam name="VM">The type of the view model.</typeparam>
+        /// <param name="onAccept">Accept button callback.</param>
         void ShowModalDialog<VM>(Action<VM> onAccept) where VM : DialogViewVM;
 
-        bool? ShowDialog(PackIconKind icon, Brush iconColor, String message, bool hasCancel);
+        /// <summary>
+        /// Display a message box.
+        /// </summary>
+        /// <param name="icon">The icon.</param>
+        /// <param name="iconColor">Color of the icon.</param>
+        /// <param name="message">The message.</param>
+        /// <param name="hasCancel">if set to <c>true</c> displays the cancel button.</param>
+        /// <returns></returns>
+        bool? ShowMessageBox(PackIconKind icon, Brush iconColor, String message, bool hasCancel);
 
+        /// <summary>
+        /// Shows an information message box.
+        /// </summary>
+        /// <param name="message">The message.</param>
         void ShowInfo(String message);
 
-        void ShowWarnning(String message);
+        /// <summary>
+        /// Shows warning message box.
+        /// </summary>
+        /// <param name="message">The message.</param>
+        void ShowWarning(String message);
 
+        /// <summary>
+        /// Shows an error message box.
+        /// </summary>
+        /// <param name="message">The message.</param>
         void ShowError(String message);
 
+        /// <summary>
+        /// Shows a question message box.
+        /// </summary>
+        /// <param name="message">The message.</param>
         bool ShowQuestion(String message);
     }
 }
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Notifications/TaskItem.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Notifications/TaskItem.cs
index 0cf5e2c8e..110fbfa74 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Notifications/TaskItem.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Notifications/TaskItem.cs
@@ -7,32 +7,53 @@ using Tango.Core;
 
 namespace Tango.MachineStudio.Common.Notifications
 {
+    /// <summary>
+    /// Represents a Machine Studio "work-bar" item.
+    /// </summary>
+    /// <seealso cref="Tango.Core.ExtendedObject" />
+    /// <seealso cref="System.IDisposable" />
     public class TaskItem : ExtendedObject, IDisposable
     {
         private INotificationProvider _notificationProvider;
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="TaskItem"/> class.
+        /// </summary>
+        /// <param name="notificationProvider">The notification provider.</param>
         public TaskItem(INotificationProvider notificationProvider)
         {
             _notificationProvider = notificationProvider;
         }
 
         private String _message;
+        /// <summary>
+        /// Gets or sets the message.
+        /// </summary>
         public String Message
         {
             get { return _message; }
             set { _message = value; RaisePropertyChangedAuto(); }
         }
 
+        /// <summary>
+        /// Removed this item from the queue.
+        /// </summary>
         public void Pop()
         {
             _notificationProvider.PopTaskItem(this);
         }
 
+        /// <summary>
+        /// Pushes this item to the queue.
+        /// </summary>
         public void Push()
         {
             _notificationProvider.PushTaskItem(this);
         }
 
+        /// <summary>
+        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
+        /// </summary>
         public void Dispose()
         {
             Pop();
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/StudioApplication/IShutdownRequestBlocker.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/StudioApplication/IShutdownRequestBlocker.cs
index a157bd598..4d5f968a4 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/StudioApplication/IShutdownRequestBlocker.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/StudioApplication/IShutdownRequestBlocker.cs
@@ -6,8 +6,16 @@ using System.Threading.Tasks;
 
 namespace Tango.MachineStudio.Common.StudioApplication
 {
+    /// <summary>
+    /// Represents a component capable of receiving notification for when the Machine Studio shuts down.
+    /// The component can perform it's own shutdown operations, or cancel the current shutdown operation.
+    /// </summary>
     public interface IShutdownRequestBlocker
     {
+        /// <summary>
+        /// Called when the application is shutting down.
+        /// </summary>
+        /// <returns></returns>
         Task<bool> OnShutdownRequest();
     }
 }
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/StudioApplication/IStudioApplicationManager.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/StudioApplication/IStudioApplicationManager.cs
index 42f4f7b65..dfdac67c7 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/StudioApplication/IStudioApplicationManager.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/StudioApplication/IStudioApplicationManager.cs
@@ -7,12 +7,34 @@ using Tango.Integration.Services;
 
 namespace Tango.MachineStudio.Common.StudioApplication
 {
+    /// <summary>
+    /// Represents the Machine Studio application manager.
+    /// </summary>
     public interface IStudioApplicationManager
     {
+        /// <summary>
+        /// Gets a value indicating whether Machine Studio is shutting down.
+        /// </summary>
         bool IsShuttingDown { get;}
+
+        /// <summary>
+        /// Shutdown the application.
+        /// </summary>
         void ShutDown();
+
+        /// <summary>
+        /// Gets or sets the currently connected machine if any.
+        /// </summary>
         IExternalBridgeClient ConnectedMachine { get; set; }
+
+        /// <summary>
+        /// Gets a value indicating whether the <see cref="ConnectedMachine"/> is valid.
+        /// </summary>
         bool IsMachineConnected { get; }
+
+        /// <summary>
+        /// Gets a value indicating whether the <see cref="ConnectedMachine"/> is valid and connected through TCP/IP.
+        /// </summary>
         bool IsMachineConnectedViaTCP { get;  }
     }
 }
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Tango.MachineStudio.Common.csproj b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Tango.MachineStudio.Common.csproj
index 49fee31f1..42eae3c1e 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Tango.MachineStudio.Common.csproj
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Tango.MachineStudio.Common.csproj
@@ -91,7 +91,6 @@
       <DependentUpon>MdiContainerControl.xaml</DependentUpon>
     </Compile>
     <Compile Include="Converters\PointToMarginConverter.cs" />
-    <Compile Include="ExtensionMethods\UserExtensions.cs" />
     <Compile Include="IStudioModule.cs" />
     <Compile Include="Modules\IStudioModuleLoader.cs" />
     <Compile Include="Navigation\INavigationManager.cs" />
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ValidationRules/Required.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ValidationRules/Required.cs
index 84f274965..aac00fdf1 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ValidationRules/Required.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ValidationRules/Required.cs
@@ -8,8 +8,20 @@ using System.Windows.Controls;
 
 namespace Tango.MachineStudio.Common.ValidationRules
 {
+    /// <summary>
+    /// Represents a required field validation rule.
+    /// </summary>
+    /// <seealso cref="System.Windows.Controls.ValidationRule" />
     public class Required : ValidationRule
     {
+        /// <summary>
+        /// When overridden in a derived class, performs validation checks on a value.
+        /// </summary>
+        /// <param name="value">The value from the binding target to check.</param>
+        /// <param name="cultureInfo">The culture to use in this rule.</param>
+        /// <returns>
+        /// A <see cref="T:System.Windows.Controls.ValidationResult" /> object.
+        /// </returns>
         public override ValidationResult Validate(object value, CultureInfo cultureInfo)
         {
             return new ValidationResult(!String.IsNullOrWhiteSpace(value.ToStringSafe()), "Required");