rc (ULONG)

      Return codes indicating success or type of failure:

      MCIERR_SUCCESS

        If the function succeeds, 0 is returned.
      MCIERR_INVALID_DEVICE_ORDINAL
        The device ordinal given is invalid.
      MCIERR_INVALID_DEVICE_TYPE
        The device type given is invalid.
      MCIERR_MISSING_FLAG
        A required flag is missing.
      MCIERR_INVALID_FLAG
        Given flag is invalid.
      MCIERR_UNSUPPORTED_FLAG
        Given flag is unsupported for this device.
      MCIERR_INVALID_CALLBACK_HANDLE
        Given callback handle is invalid.
      MCIERR_INVALID_CONNECTOR_TYPE
        The given connector type is invalid.
      MCIERR_INVALID_CONNECTOR_INDEX
        Invalid connector index given.
      MCIERR_MISSING_PARAMETER
        Required parameter is missing.
      MCIERR_FLAGS_NOT_COMPATIBLE
        Flags cannot be used together.

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