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_DRIVER
        Internal MMPM/2 driver error.
      MCIERR_INVALID_FLAG
        Invalid flag specified for this command.
      MCIERR_FLAGS_NOT_COMPATIBLE
        Flags cannot be used together.
      MCIERR_INVALID_CALLBACK_HANDLE
        Given callback handle is invalid.
      MCIERR_INSTANCE_INACTIVE
        The device is currently inactive. Issue MCI_ACQUIREDEVICE to make the device context active.
      MCIERR_TARGET_DEVICE_FULL
        Target device is full.
      MCIERR_FILE_NOT_FOUND
        File not found.
      MCIERR_FILE_NOT_SAVED
        File not saved.
      MCIERR_FILE_ATTRIBUTE
        File attribute error.
      MMIOERR_NEED_NEW_FILE_NAME
        The file cannot be saved with its original name because there are other processes that have outstanding paste operations using the data in this file. Saving the file with its original name will cause this data to be lost.
      MMIOERR_CLIPBRD_ACTIVE
        The file cannot be saved with its original name because there is an active reference to its data in the clipboard. Saving the file with its original name will cause this data to be lost.

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