Internet Direct (Indy) Version 9.0.2 Beta
TIdFTP.ChangeDir
Changes the current directory on the FTP server.

procedure ChangeDir(const ADirName: string);
Description
This changes the current directory to a subdirectory (specified by the ADirName parameter) on the FTP server. If you need to move up a directory on the server's file-system, use the ChangeDirUp method.