TNumEvent an event type signalled when an NNTP server implementation needs to perform a
TIdCommandHandler for an recognized NNTP command or extension that uses a numeric message number as an argument. ACommand is the command handler procedure generating the event notification. AActualNumber is the message number tobe affected by the NNTP command.
TNumEvent is the type used to represent various NNTP command event handlers that use a numeric message number as an argument, including the following:
- OnCommandArticleNo
- OnCommandBodyNo
- OnCommandHeadNo
- OnCommandStatNo