MFC properties through HidD_GetAttributes get access to equipment and stored in DevAttributes structure, but only three USB this structure parameters, VendorID, ProductID, VersionNumber, now more than the same USB device enumeration HID devices, such as USB \ VID_5131 & amp; PID_4006 & amp; REV_0200 & amp; MI_00 and
USB \ VID_5131 & amp; PID_4006 & amp; REV_0200 & amp; MI_01 two devices, under the MFC how to distinguish?

CodePudding user response:

Can maintain a number, let the user to decide which device, the impression every time have more than one device, the first one is to make the user decision,