复制代码 代码如下:

#include

int APIENTRY WinMain(HINSTANCE hInstance,

HINSTANCE hPrevInstance,

LPSTR lpCmdLine,

int nCmdShow)

{

SendMessage(FindWindow(0,0),WM_SYSCOMMAND,SC_MONITORPOWER,2);//关闭

::Sleep(10000);

SendMessage(FindWindow(0,0),WM_SYSCOMMAND,SC_MONITORPOWER,-1);//打开

return 0;

}