Re: Exclude Sub Folders
                You didn't tell us what syntax do the 
So I will guess that the
https://winscp.net/eng/docs/library_session_getfiles#remotepath
Alternatively, use
        Source and Destination have.
So I will guess that the
Source is /Outbound, while it should have been /Outbound/*:
https://winscp.net/eng/docs/library_session_getfiles#remotepath
Alternatively, use
Session.GetFilesToDirectory, where /Outbound would do.