Re: Copy files from one remote directory to another remote directory on the same server
                If you need to make a copy of whole folder, you will need to call 
Though if you use SFTP/SCP protocol, note that the method internally calls shell command
https://winscp.net/eng/docs/library_session_executecommand
        Session.DuplicateFile  for each file individually.
Though if you use SFTP/SCP protocol, note that the method internally calls shell command
cp. So you might want to call cp -r ...  using Session.ExecuteCommand instead.
https://winscp.net/eng/docs/library_session_executecommand