[Source] Open/Close CD Tray

#include <windows.h>
#include <mmsystem.h>
#pragma comment(lib, "winmm.lib")

int main()
{
   mciSendStringA("Set cdaudio door open", 0, 0, 0);
   mciSendStringA("Set cdaudio door close",0,0,0);
   return 0;
}