On 05/02/2012 12:18 AM, Pete Batard wrote:
> On 2012.05.01 15:34, Uri Lublin wrote:
>>> Assuming you don't need to change the device's install class,
>> I'm think that assumption is not true with WinUSB based libusb driver.
>> A new install class is created for all WinUSB libusb devices.
>> (Maybe we can make use the same class used for USB devices ?)
> If the device was installed with libwdi, the ClassGUID used will be
> 88bae032-5a81-49f0-bc3d-a4ff138216d6 which is the class that is used by
> Microsoft for WinUSB/WCID devices in Windows 8. Please be mindful that,
> if you ever deal with WinUSB/WCID devices in Windows 8 [1], you will not
> be able to change the ClassGUID, as the driver installation will occur
> automatically, as for HID or Mass Storage devices.

What I meant was that for the ClassGUID values of e.g. USBSTOR and WinUSB
are different:
    USBSTOR: 36FC9E60-C465-11CF-8056-444553540000
    WinUsb:    88BAE032-5A81-49F0-BC3D-A4FF138216D6
Arnon showed that more registry entries differ too.

Thanks for the explanation,
      Uri


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