ScreenCapture sc = new ScreenCapture();// capture entire screen, and save it to a fileImage img = sc.CaptureScreen();// display image in a Picture control named imageDisplaythis.imageDisplay.Image = img;// capture this window, and save itsc.CaptureWindowToFile(this.Handle,"C:\temp2.gif",ImageFormat.Gif);
http://www.developerfusion.com/pre/4630/capture-a-screen-
shot/
