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SFTP: Handle client requests
By default TElSimpleSFTPServer processes requests by accessing the filesystem using a file system adapter. If you want to override processing of certain requests, you can do this by handling one of the large number of TElSFTPServer events, which correspond to different SFTP commands.
If the event handler is assigned for certain request-related event, your code must perform the action, as the default handler code won't be executed.