Internet Direct (Indy) Version 9.0.1 Beta
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property OnCommandXThread: TBasicEvent;
XTHREAD is a Common NNTP Extension as described in RFC 2980, and is used to retrieve threading information in the format originally created for use by the TRN news reader.
The command XTHREAD DBINIT may be issued prior to entering any groups to see if a thread database exists. If it does, the database's byte order and version number are returned as binary data.
The command XTHREAD THREAD may be used for the currently selected newsgroup. If no parameter is given, XTHREAD THREAD is assumed.
The format of the TRN-style thread format is discussed in the documentation for the TRN newsreader.
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
Note: Since more recent versions of TRN support the news overview (NOV) format, it is recommended that this extension become historic and no longer be used in current servers or future implementations.