Implemented notification for observables entities modification..

1 files changed, 7 insertions, 2 deletions

diff --git a/Software/Visual_Studio/Tango.BL/IObservableEntity.cs b/Software/Visual_Studio/Tango.BL/IObservableEntity.cs
index d83f3a6b2..ad112c4a1 100644
--- a/Software/Visual_Studio/Tango.BL/IObservableEntity.cs
+++ b/Software/Visual_Studio/Tango.BL/IObservableEntity.cs
@@ -17,9 +17,9 @@ namespace Tango.BL
     public interface IObservableEntity : INotifyDataErrorInfo, IParameterized
     {
         /// <summary>
-        /// Occurs after this observable has been saved.
+        /// Occurs after this observable has been modified and saved by this entity context or another.
         /// </summary>
-        event EventHandler Saved;
+        event EventHandler<ObservableModifiedEventArgs> Modified;
 
         /// <summary>
         /// Gets or sets the entity identifier.
@@ -92,5 +92,10 @@ namespace Tango.BL
         /// <param name="context">The context.</param>
         /// <returns></returns>
         DbSet<T> GetDbSet<T>(ObservablesContext context) where T : class, IObservableEntity;
+
+        /// <summary>
+        /// Raises the <see cref="Modified"/> event.
+        /// </summary>
+        void RaiseModified(ObservablesContext context, IObservableEntity source, IObservableEntity target);
     }
 }