使用PointBase代替Point

AIStudio.Wpf.DiagramDesigner/Models/DragObject.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+
+namespace AIStudio.Wpf.DiagramDesigner
+{
+    // Wraps info of the dragged object into a class
+    public class DragObject
+    {
+        public Size? DesiredSize { get; set; }
+        public Type ContentType { get; set; }
+        public string Icon { get; set; }
+        public IColorViewModel ColorViewModel { get; set; }
+        public DesignerItemBase DesignerItem { get; set; }
+    }
+}