rc (ULONG) - returns

      Returns MCIERR_SUCCESS if there was no error. An escape from the recorder dialog returns the DID_CANCEL return code.

      MCIERR_SUCCESS

        If the function succeeds, 0 is returned.
      MCIERR_UNSUPPORTED_FLAG
        ulFlags is not set to zero.
      MCIERR_MISSING_PARAMETER
        No file name is sent.
      MCIERR_FILE_NOT_FOUND
        The filename is a NULL string.
      MCIERR_OUT_OF_MEMORY
        MMPM/2 could not allocate memory.
      DID_CANCEL
        User cancelled from recording without saving recorded files, or there was an MCI error.

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