Image myImage = new Bitmap(300, 200);
Graphics g = Graphics.FromImage(myImage);
g.CopyFromScreen(new Point(Cursor.Position.X - 150, Cursor.Position.Y - 25), new Point(0, 0), new Size(300, 200));
IntPtr dc1 = g.GetHdc();
g.ReleaseHdc(dc1);
this.pictureBox1.Image = myImage;
myImage.Save("c:\1.jpeg");
数据挖掘研究院
http://community.csdn.net/Expert/topic/5234/5234215.xml?temp=.7797205
数据挖掘研究院