// hidsdi.h
void HidD_GetHidGuid(
[out] LPGUID HidGuid
);
View the official Windows Driver Kit DDI referenceNo description available.
The HidD_GetHidGuid routine returns the device interface GUID for HIDClass devices.
HidGuid [out]Pointer to a caller-allocated GUID buffer that the routine uses to return the device interface GUID for HIDClass devices.
Only user-mode applications can call HidD_GetHidGuid.
For more information, see HID Collections.