/* Fichero: cd.c */
 
#include <stdlib.h>
#include <stdio.h>
#include <windows.h>
 
void AbrirCD();
void CerrarCD();
 
int main()
{   
    printf("Presione ENTER para abrir CD");
    getchar();
    printf("\nAbriendo CD...");
    AbrirCD();
 
    printf("\n\nPresione ENTER para cerrar CD");
    getchar();
    printf("\nCerrando CD...\n\n");   
    CerrarCD();
 
    system("PAUSE");
 
    return 0;
}
 
void AbrirCD()
{     
     MCI_OPEN_PARMS mciParams;
     DWORD dwFlags;
     LPCTSTR szCharDrive = "D";
 
     memset(&mciParams, 0, sizeof(MCI_OPEN_PARMS));
     mciParams.lpstrDeviceType = (LPCSTR) MCI_DEVTYPE_CD_AUDIO;
     mciParams.lpstrElementName = szCharDrive;
 
     dwFlags= MCI_OPEN_TYPE | MCI_OPEN_TYPE_ID;
 
     if (!mciSendCommand(0, MCI_OPEN, dwFlags, (DWORD) &mciParams))
     {
          mciSendCommand(mciParams.wDeviceID, MCI_SET, MCI_SET_DOOR_OPEN | MCI_WAIT, 0);
          mciSendCommand(mciParams.wDeviceID, MCI_CLOSE, MCI_WAIT, 0);
     }
}
 
void CerrarCD()
{
     MCI_OPEN_PARMS mciParams;
     DWORD dwFlags;
     LPCTSTR szCharDrive = "D";
 
     memset(&mciParams, 0, sizeof(MCI_OPEN_PARMS));
     mciParams.lpstrDeviceType = (LPCSTR) MCI_DEVTYPE_CD_AUDIO;
     mciParams.lpstrElementName = szCharDrive;
 
     dwFlags= MCI_OPEN_TYPE | MCI_OPEN_TYPE_ID;
 
     if (!mciSendCommand(0, MCI_OPEN, dwFlags, (DWORD) &mciParams))
     {
          mciSendCommand(mciParams.wDeviceID, MCI_SET, MCI_SET_DOOR_CLOSED|MCI_WAIT,0);
          mciSendCommand(mciParams.wDeviceID, MCI_CLOSE, MCI_WAIT, 0);
     }
}

mciSendString("Set cdaudio door open wait",0,0,0);