添加项目文件。

HYJigPro/XDrawable2D.cs

@@ -0,0 +1,23 @@
+using System;
+
+namespace HYJig
+{
+    public class XDrawable2D
+    {
+        public virtual void Draw(XGraphics g)
+        {
+        }
+
+        public static int GetDistance(Point pt1, Point pt2)
+        {
+            try
+            {
+                return (int)Math.Sqrt(Math.Pow((double)(pt1.X - pt2.X), 2.0) + Math.Pow((double)(pt1.Y - pt2.Y), 2.0));
+            }
+            catch
+            {
+            }
+            return 0;
+        }
+    }
+}