fcmartins wrote: > You mean you believe stubbing is good enough or would it just be a go for a lucky shot? It should be good enough. Might require some "meaningful" return values. It's a joystick config interface. If you have no joystick it can always return empty result. BTW documentation is here: http://msdn.microsoft.com/en-us/library/windows/hardware/ff540974%28v=vs.85%29.aspx