c++实现自动抓图的源码

初学c++,总算弄出来了#include"stdafx.h"intAPIENTRYWinMain(HINSTANCEhInstance,HINSTANCEhPrevInstance,LPSTRlpCmdLine,intnCmdShow){charBitmapNameOut[]="b.bmp";/*HDChdc;hdc=CreateDC("display",NULL,NULL,NULL);H