添加项目文件。

Util.DiagramDesigner/ViewModels/AdditionViewModel/IDrawModeViewModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Util.DiagramDesigner
+{
+    public interface IDrawModeViewModel
+    {
+        DrawMode GetDrawMode();
+        void SetDrawMode(DrawMode drawMode);
+
+        void ResetDrawMode();
+
+        CursorMode CursorMode { get; set; }
+    }
+}