Re: How can I recongnize the driver is WDDM or XPDM?
I don't understand your question. It might help if you explained what you're trying to do or what you're trying to accomplish.
This is the 2nd. request from you with almost the same request as you previously [url="forums.driverguide.com/showthread.php?t=58345"]posted here.[/url]
Perhaps these web pages will help: