添加项目文件。

HYJigPro/XLine2D.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Runtime.CompilerServices;
+
+namespace HYJig
+{
+    public class XLine2D : XDrawable2D, ICloneable
+    {
+        public XLine2D()
+        {
+            this.PointStart = Point.Empty;
+            this.PointEnd = Point.Empty;
+        }
+
+        public XLine2D(Point ptStart, Point ptEnd)
+        {
+            this.PointStart = ptStart;
+            this.PointEnd = ptEnd;
+        }
+
+        public override void Draw(XGraphics g)
+        {
+            try
+            {
+                g.m_graphics.DrawLine(g.m_pen, this.PointStart, this.PointEnd);
+            }
+            catch
+            {
+            }
+        }
+
+        public object Clone()
+        {
+            try
+            {
+                return new XLine2D(this.PointStart, this.PointEnd);
+            }
+            catch
+            {
+            }
+            return null;
+        }
+
+        public Point PointStart { get; set; }
+
+        public Point PointEnd { get; set; }
+    }
+}