A global Property Changed Event in the Component Service

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Xaml/XamlComponentService.cs

@@ -28,6 +28,8 @@ namespace ICSharpCode.WpfDesign.Designer.Xaml
 {
 	sealed class XamlComponentService : IComponentService
 	{
+		public event EventHandler<DesignItemPropertyChangedEventArgs> PropertyChanged;
+
 		#region IdentityEqualityComparer
 		sealed class IdentityEqualityComparer : IEqualityComparer<object>
 		{
@@ -140,5 +142,16 @@ namespace ICSharpCode.WpfDesign.Designer.Xaml
 			}
 			return site;
 		}
+		
+		/// <summary>
+		/// raises the Property changed Events
+		/// </summary>
+		internal void RaisePropertyChanged(XamlModelProperty property)
+		{
+			var ev = this.PropertyChanged;
+			if (ev != null) {
+				ev(this, new DesignItemPropertyChangedEventArgs(property.DesignItem, property));
+			}
+		}
 	}
 }

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Xaml/XamlDesignItem.cs

@@ -264,6 +264,8 @@ namespace ICSharpCode.WpfDesign.Designer.Xaml
 		{
 			Debug.Assert(property != null);
 			OnPropertyChanged(new System.ComponentModel.PropertyChangedEventArgs(property.Name));
+			
+			((XamlComponentService)this.Services.Component).RaisePropertyChanged(property);
 		}
 
 		public override string ContentPropertyName {

src/AddIns/DisplayBindings/WpfDesign/WpfDesign/Project/EventArgs.cs

@@ -44,6 +44,29 @@ namespace ICSharpCode.WpfDesign
 		}
 	}
 	
+	/// <summary>
+	/// Event arguments specifying a component and property as parameter.
+	/// </summary>
+	public class DesignItemPropertyChangedEventArgs : DesignItemEventArgs
+	{
+		readonly DesignItemProperty _itemProperty;
+
+		/// <summary>
+		/// Creates a new ComponentEventArgs instance.
+		/// </summary>
+		public DesignItemPropertyChangedEventArgs(DesignItem item, DesignItemProperty itemProperty) : base(item)
+		{
+			_itemProperty = itemProperty;
+		}
+		
+		/// <summary>
+		/// The property affected by the event.
+		/// </summary>
+		public DesignItemProperty ItemProperty {
+			get { return _itemProperty; }
+		}
+	}
+	
 	/// <summary>
 	/// Event arguments specifying a component as parameter.
 	/// </summary>

src/AddIns/DisplayBindings/WpfDesign/WpfDesign/Project/Services.cs

@@ -126,6 +126,9 @@ namespace ICSharpCode.WpfDesign
 		
 		/// <summary>Event raised whenever a component is registered</summary>
 		event EventHandler<DesignItemEventArgs> ComponentRegistered;
+		
+		/// <summary>Property Changed</summary>
+		event EventHandler<DesignItemPropertyChangedEventArgs> PropertyChanged;
 	}
 	#endregion