Changes to make it easier to use and customize the propertygrid from external project

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

@@ -40,9 +40,13 @@ namespace ICSharpCode.WpfDesign.Designer.PropertyGrid
 
 		Dictionary<MemberDescriptor, PropertyNode> nodeFromDescriptor = new Dictionary<MemberDescriptor, PropertyNode>();
 
+		public Dictionary<MemberDescriptor, PropertyNode> NodeFromDescriptor { get { return nodeFromDescriptor; } }
+		
 		public CategoriesCollection Categories { get; private set; }
 		public PropertyNodeCollection Events { get; private set; }
 
+		public EventHandler AggregatePropertiesUpdated;
+		
 		private PropertyGridGroupMode _groupMode;
 		
 		public PropertyGridGroupMode GroupMode
@@ -205,6 +209,8 @@ namespace ICSharpCode.WpfDesign.Designer.PropertyGrid
 				}
 			} finally {
 				reloadActive = false;
+				if (AggregatePropertiesUpdated != null)
+		        	AggregatePropertiesUpdated(this, EventArgs.Empty);
 			}
 		}
 

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/PropertyGrid/PropertyGridView.cs

@@ -27,10 +27,13 @@ namespace ICSharpCode.WpfDesign.Designer.PropertyGrid
 			DefaultStyleKeyProperty.OverrideMetadata(typeof(PropertyGridView), new FrameworkPropertyMetadata(typeof(PropertyGridView)));
 		}
 		
+		public PropertyGridView() : this(null)
+		{
+		}
 		
-		public PropertyGridView()
+		public PropertyGridView(PropertyGrid pg)
 		{
-			PropertyGrid = new PropertyGrid();
+			PropertyGrid = pg??new PropertyGrid();
 			DataContext = PropertyGrid;
 		}
 

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

@@ -142,9 +142,20 @@ namespace ICSharpCode.WpfDesign.Designer.Services
 			return item;
 		}
 		
+		public static bool AddItemWithDefaultSize(DesignItem container, Type createdItem, Size size)
+		{
+			CreateComponentTool cct = new CreateComponentTool(createdItem);
+			return AddItemWithCustomSize(container, cct.CreateItem(container.Context), new Point(0, 0), size);
+		}
+
 		internal static bool AddItemWithDefaultSize(DesignItem container, DesignItem createdItem, Point position)
 		{
-			var size = ModelTools.GetDefaultSize(createdItem);
+			return AddItemWithCustomSize(container, createdItem, position, ModelTools.GetDefaultSize(createdItem));
+		}
+
+		internal static bool AddItemWithCustomSize(DesignItem container, DesignItem createdItem, Point position, Size size)
+		{
+			
 			PlacementOperation operation = PlacementOperation.TryStartInsertNewComponents(
 				container,
 				new DesignItem[] { createdItem },