添加项目文件。

DotNet.Revit.Hook/DataStructure/POINT.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace DotNet.Revit.Hook.DataStructure
+{
+    [StructLayout(LayoutKind.Sequential)]
+    public struct POINT
+    {
+        public int X;
+        public int Y;
+    }
+}