Hi again,
I'm still a little confused. You don't need a "control" to access ShP Doc Lib. Just use the SharePoint list adapter data connection (no code required) or for more extensive support write code to use the WebDAV protocol. Also, this is documented in chapter 9 of our book.
Patrick Halstead [InfoPath MVP]
InfoPathDev
Patrick Halstead
Project Manager at Qdabra