How to get USB IDs for portable MSC device in Vista? Chris Williamson 12/4/2008 3:16:23 PM I had a hack to get the USB IDs for a portable MSC device that involved using CM_Parent on a Volume to get the USBSTOR device and again to get the USB device from which I could get the USB IDs. In Vista, the parent of a Volume is not the USBSTOR device. The WPD interface doesn't provide a way to get the USB IDs. This has always been an issue. Why is this so hard? How is an app suppossed to know what device it is working on for firmware updating say? At least one large supplier of portable devices uses identical SCSI strings for all their media players, so I can't distinguish models with that. USB IDs seems logical, but why oh why is it so hard to get USB IDs for a MSC device.... esp in Vista. Please help! Thanks, Chris

RE: How to get USB IDs for portable MSC device in Vista? Chris Williamson 12/8/2008 7:15:01 PM Does anyone know how to do this? Am I in the worng forum? This seems like a reasonable thing to want to do; find a USB device by its USB IDs no matter what protocol it's using. How do others find a specific device? Thanks, Chris

Re: How to get USB IDs for portable MSC device in Vista? "Neil Smith [MVP Digital Media]" <neil[ at ]nospam.com> 12/9/2008 8:45:01 PM On Mon, 8 Dec 2008 11:15:01 -0800, Chris Williamson <ChrisWilliamson[ at ]discussions.microsoft.com> wrote: [Quoted Text] >Does anyone know how to do this? Am I in the worng forum? This seems like a >reasonable thing to want to do; find a USB device by its USB IDs no matter >what protocol it's using. How do others find a specific device? I think you are in the wrong newsgroup, yes. This one, as per title, is for windows media SDK. I don't think anybody could interpret your request for USB IDs as being related to programmatic manipulation and generation of video content using the WM SDK ? Try filtering the forum lists for 'portable' or 'device' to see if you can get any better hits. HTH Cheers - Neil ------------------------------------------------ Digital Media MVP : 2004-2008 http://mvp.support.microsoft.com/mvpfaqs