Windows CDROM Eject

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I kind of like to use DeviceIOControl as it gives me the possibility to eject any kind of removable drive (such as USB and flash-disks as well as CD trays). Da codez to properly eject a disk using DeviceIOControl is (just add proper error-handling):

bool ejectDisk(TCHAR driveLetter)
{
  TCHAR tmp[10];
  _stprintf(tmp, _T("\\\\.\\%c:"), driveLetter);
  HANDLE handle = CreateFile(tmp, GENERIC_READ, FILE_SHARE_WRITE, 0, OPEN_EXISTING, 0, 0);
  DWORD bytes = 0;
  DeviceIoControl(handle, FSCTL_LOCK_VOLUME, 0, 0, 0, 0, &bytes, 0);
  DeviceIoControl(handle, FSCTL_DISMOUNT_VOLUME, 0, 0, 0, 0, &bytes, 0);
  DeviceIoControl(handle, IOCTL_STORAGE_EJECT_MEDIA, 0, 0, 0, 0, &bytes, 0);
  CloseHandle(handle);
  return true;
}

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