Access DesignSurface from Panel!

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/DesignPanel.cs

@@ -219,6 +219,8 @@ namespace ICSharpCode.WpfDesign.Designer
 		
 		#region Properties
 		
+		public DesignSurface DesignSurface { get; internal set; }
+		
 		//Set custom HitTestFilterCallbak
 		public HitTestFilterCallback CustomHitTestFilterBehavior { get; set; }
 

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/DesignSurface.cs

@@ -82,7 +82,7 @@ namespace ICSharpCode.WpfDesign.Designer
 			_sceneContainer = new Border() { AllowDrop = false, UseLayoutRounding = true };
 			_sceneContainer.SetValue(TextOptions.TextFormattingModeProperty, TextFormattingMode.Ideal);
 
-			_designPanel = new DesignPanel() {Child = _sceneContainer};
+			_designPanel = new DesignPanel() {Child = _sceneContainer, DesignSurface = this};
 		}
 
 		internal DesignPanel _designPanel;