rc (ULONG)

      Return codes indicating success or type of failure:

      MCIERR_SUCCESS

        Copy was successful.
      MCIERR_INVALID_BUFFER
        Buffer was too small to hold data.
      MCIERR_OUTOFRANGE
        The units are out of the range.
      MCIERR_INVALID_DEVICE_ID
        The device ID is not valid.
      MCIERR_MISSING_PARAMETER
        Required parameter is missing.
      MCIERR_INVALID_FLAG
        Flag is invalid (ulParam1).
      MCIERR_UNSUPPORTED_FLAG
        Given flag is unsupported for this device.
      MCIERR_INSTANCE_INACTIVE
        The device is currently inactive. Issue MCI_ACQUIREDEVICE to make the device context active.
      MCIERR_INVALID_CALLBACK_HANDLE
        Given callback handle is invalid.
      MCIERR_OUT_OF_MEMORY
        There is insufficient memory to perform the operation.
      MCIERR_CLIPBOARD_ERROR
        A problem with the clipboard occurred.

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