Graphics g
= e.Graphics;
g.SmoothingMode
= SmoothingMode.AntiAlias;
g.FillRectangle(Brushes.White,
this.ClientRectangle);
Pen p
=
new Pen(Color.Black,
10);
p.StartCap
= LineCap.Round;
p.EndCap
= LineCap.ArrowAnchor;
g.DrawLine(p,
30,
30,
80,
30);
p.Dispose();C#开发教程--如何绘制箭头
原文：http://blog.csdn.net/wanglixin1999/article/details/41183305
