Originally posted by WillemM
If you got a standard comport wrapper. Strip the SetCommDCB, GetCommDCB and the DCB Settings from it. And simply use as portname: \\\.\\[usbdevice] (replace [usbdevice] for the devicename).
Very simple if you want to create a wrapper with some functionallity for e.g. mass-storage or imaging, you will have to use the intel samples and all other documents listed in this thread.