有人做过屏幕录截图软件么?该怎么处理

有人做过屏幕录截图软件么?
可以截取Overlay surface上的视频内容和普通桌面（Primary Surface)上的内容

[解决办法]
看看这个吧美女
http://topic.csdn.net/u/20111118/18/58d1aae5-52d5-4782-8f80-b99bd15644e1.html
[解决办法]

C/C++ code

  Graphics::TBitmap *bmp=new Graphics::TBitmap;  TCanvas *cvs=new TCanvas;  cvs->Handle=GetDC(0);  bmp->Width =Screen->Width;  bmp->Height = Screen->Height;  bmp->Canvas->CopyRect(Rect(0,0,Screen->Width,Screen->Height),cvs,Rect(0,0,Screen->Width,Screen->Height));  bmp->SaveToFile("abc.bmp");  TJPEGImage   *j=new   TJPEGImage;   j-> Assign(bmp);  j-> SaveToFile( "a.jpg ");  TMemoryStream  *mstr=new  TMemoryStream;  bmp->SaveToStream(mstr);  BmpToJpg(mstr);  mstr->SaveToFile("abc.jpg");