Internet Direct (Indy) Version 9.0.1 Beta
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property OnCommandGroup: TBasicEvent;
GROUP is used to retrieve the article numbers of the first and last articles in the named group, and an estimate of the number of articles on file in the group. It is not necessary that the estimate be correct, but it must be equal to or greater than the actual number of articles on file.
When a valid group is selected by using the GROUP command, the internally maintained "current article pointer" is set to the first article in the group. If an invalid group is specified, the previously selected group and article remain selected. If an empty newsgroup is selected, the "current article pointer" is in an indeterminate state and should not be used.
Applications should assign a procedure to the event handler in order to respond to the NNTP command, or the server will return the default message:
500 command not recognized