We despise Microsoft and do not even have a sample project.
From: http://mcuee.blogspot.com/2008/01/winusb-examples.html
I was looking for winusb examples all over the internet last time but to no avail.
The only one I got is an incomplete example from Microsoft.
Http://msdn2.microsoft.com/en-us/library/aa476413.aspx
Luckily some microchip Forum posters have come out examples for Visual C ++. NET and Visual C #.
Mike Zoran's USB Soundcard and rfmodem examples include visual C ++. Net Based host software to update the firmware inside pic18f2550.
Http://www.raccoonrezcats.com/soundcard.html
Http://www.raccoonrezcats.com/rfmodem.html
Http://forum.microchip.com/tm.aspx? M = 264046
J1m has examples for Visual C #.
Http://www.hobbypic.com/
In addition, the following is my new discovery, haha:
Http://winusbnet.codeplex.com/documentation (Wall flip required)