rc (ULONG)

      Return codes indicating success or type of failure:

      MCIERR_SUCCESS

        If the function succeeds, 0 is returned.
      MCIERR_INVALID_DEVICE_ID
        The device context is not valid.
      MCIERR_INSTANCE_INACTIVE
        The device context is currently inactive. Issue MCI_ACQUIREDEVICE to make device context active.
      MCIERR_UNSUPPORTED_FLAG
        Specified flag is unsupported for this device.
      MCIERR_INVALID_CALLBACK_HANDLE
        Specified callback handle is invalid.
      MCIERR_UNSUPPORTED_FUNCTION
        Unsupported function.
      MCIERR_INVALID_FLAG
        Flag (ulParam1) is invalid.
      MCIERR_FLAGS_NOT_COMPATIBLE
        Flags cannot be used together.


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