C#外掛專用截取顯示器映像代碼

 1 private void ss()
 2         {
 3             //this.Hide();
 4             IntPtr dc1=CreateDC("DISPLAY",null,null,(IntPtr) null)   ;   
 5             //建立顯示器的DC   
 6             Graphics g1=Graphics.FromHdc(dc1)   ;   
 7             //由一個指定裝置的控制代碼建立一個新的Graphics對象   
 8             Bitmap MyImage=new Bitmap(Screen.PrimaryScreen.Bounds.Width,Screen.PrimaryScreen.Bounds.Height,g1); 
 9             //根據螢幕大小建立一個與之相同大小的Bitmap對象   
10             Graphics   g2   =   Graphics.FromImage   (   MyImage   )   ;   
11             //獲得螢幕的控制代碼   
12             IntPtr dc3 =g1.GetHdc();   
13             //獲得位元影像的控制代碼   
14             IntPtr dc2 =g2.GetHdc();   
15             //把當前螢幕捕獲到位元影像對象中   
16             BitBlt(dc2,0,0,Screen.PrimaryScreen.Bounds.Width ,Screen.PrimaryScreen.Bounds.Height,dc3,0,0,13369376);
17             //把當前螢幕拷貝到圖中   
18             g1.ReleaseHdc(dc3);   
19             //釋放螢幕控制代碼   
20             g2.ReleaseHdc(dc2);
21             textBox3.Text=MyImage.GetPixel(Convert.ToInt16(textBox1.Text),Convert.ToInt16(textBox2.Text)).Name.ToString();
22             
23 
24             //textBox3.Text=MyImage.GetPixel(812,16).Name.ToString();
25             //this.Show();
26         }

轉自http://blog.csdn.net/srnpr/archive/2007/06/16/1654559.aspx