Propertygrid: added SelectedPropertyItemChanged event. It is executed everytime a new property item is selected in the Propertygrid.

Main/Source/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/PropertyGrid/Implementation/PropertyGrid.cs

@@ -280,8 +280,10 @@ namespace Microsoft.Windows.Controls.PropertyGrid
             if (oldValue != null)
                 oldValue.IsSelected = false;
 
-            if (newValue != null)
+            //if (newValue != null)
-                newValue.IsSelected = true;
+            //    newValue.IsSelected = true;
+
+            RaiseEvent(new RoutedEventArgs(PropertyGrid.SelectedPropertyItemChangedEvent, newValue));
         }
 
         #endregion //SelectedProperty
@@ -505,9 +507,14 @@ namespace Microsoft.Windows.Controls.PropertyGrid
             remove { RemoveHandler(PropertyValueChangedEvent, value); }
         }
         
-        //TODO: add SelectedPropertyItemChanged event
+        public static readonly RoutedEvent SelectedPropertyItemChangedEvent = EventManager.RegisterRoutedEvent("SelectedPropertyItemChanged", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(PropertyGrid));
+        public event RoutedEventHandler SelectedPropertyItemChanged
+        {
+            add { AddHandler(SelectedPropertyItemChangedEvent, value); }
+            remove { RemoveHandler(SelectedPropertyItemChangedEvent, value); }
+        }
 
-        #endregion
+        #endregion //Events
     }
 
     public delegate void PropertyValueChangedEventHandler(object sender, PropertyValueChangedEventArgs e);

Main/Source/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/PropertyGrid/Implementation/PropertyItem.cs

@@ -286,7 +286,9 @@ namespace Microsoft.Windows.Controls.PropertyGrid
         protected virtual void OnValueChanged(object oldValue, object newValue)
         {
             if (IsInitialized)
-                RaiseEvent(new PropertyValueChangedEventArgs(PropertyGrid.PropertyValueChangedEvent, this, oldValue, newValue));
+            {
+                PropertyGrid.RaiseEvent(new PropertyValueChangedEventArgs(PropertyGrid.PropertyValueChangedEvent, this, oldValue, newValue));
+            }
         }
 
         #endregion //Value
@@ -336,12 +338,6 @@ namespace Microsoft.Windows.Controls.PropertyGrid
 
         #endregion //Constructors
 
-        #region Events
-
-        public static readonly RoutedEvent PropertyValueChangedEvent = PropertyGrid.PropertyValueChangedEvent.AddOwner(typeof(PropertyItem));
-
-        #endregion //Events
-
         #region Event Handlers
 
         void PropertyItem_PreviewMouseDown(object sender, MouseButtonEventArgs e)