rc (ULONG)

      Return codes indicating success or type of failure:

      MCIERR_SUCCESS

        MMPM/2 command completed successfully.
      MCIERR_OUT_OF_MEMORY
        System out of memory.
      MCIERR_INVALID_DEVICE_ID
        Invalid device ID given.
      MCIERR_MISSING_PARAMETER
        Missing parameter for this command.
      MCIERR_UNSUPPORTED_FLAG
        Flag not supported by the MMPM/2 driver for this command.
      MCIERR_INVALID_CALLBACK_HANDLE
        The window callback handle is not valid.
      MCIERR_DRIVER
        Internal MMPM/2 driver error.
      MCIERR_INVALID_FLAG
        Invalid flag specified for this command.
      MCIERR_INVALID_BUFFER
        Invalid return buffer given.
      MCIERR_FILE_NOT_FOUND
        File not found.
      MCIERR_MISSING_FLAG
        Flag missing for this MMPM/2 command.
      MCIERR_FLAGS_NOT_COMPATIBLE
        The flags cannot be used together.

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