Turns off the monitor 모니터 끄기 모니터 끄는 프로그램 #include int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow) { // Turn off monitor SendMessage(HWND_BROADCAST, WM_SYSCOMMAND, SC_MONITORPOWER, (LPARAM) 2); return 0; } See also http://www.codeproject.com/Articles/12794/Complete-Guide-on-How-To-Turn-A-Monitor-On-Off-Sta