rc (ULONG)

      Return codes indicating success or type of failure:

      MCIERR_SUCCESS

        The function is successful.
      MCIERR_INVALID_DEVICE_ID
        The device ID is not valid.
      MCIERR_DEVICE_LOCKED
        The device is acquired for exclusive use.
      MCIERR_INVALID_FLAG
        Flag is invalid (ulParam1).
      MCIERR_FLAGS_NOT_COMPATIBLE
        Flags cannot be used together.
      MCIERR_INVALID_CALLBACK_HANDLE
        The callback handle given is not correct.

      [Back] [Next]