1. 转自：http://blog.csdn.net/zhuzhao/article/details/3553100
2. 
   
3. using System;
4. using System.Collections.Generic;
5. using System.ComponentModel;
6. using System.Data;
7. using System.Drawing;
8. using System.Text;
9. using System.Windows.Forms;
10. using System.Drawing.Drawing2D;
11. namespace advanced_drawing
12. {
13.     public partial class Form3 : Form
14.     {
15.         public Form3()
16.         {
17.             InitializeComponent();
18.         }
20.         private void button1_Click(object sender, EventArgs e)
21.         {
22.             Graphics g = this.CreateGraphics();
23.             g.PageUnit = GraphicsUnit.Inch;
24.             g.PageScale = 1;
26.             PointF[] bottomRight = new PointF[] { new PointF(this.ClientSize.Width, this.ClientSize.Height) };
28.             g.TransformPoints(CoordinateSpace.Page, CoordinateSpace.Device, bottomRight);
30.             Rectangle rect = new Rectangle(0, 0, 10, 10);
31.             Pen pen=new Pen(Color.Red);
32.             g.DrawRectangle(pen, rect);
33.             
34.         }
35.     }
36. }