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; } } }