我完善了DDK里面的StorageEnum的例程，可以枚举并读出USB设备的VID,PID信息（可参看附件中的图片storageNum.JPG），关键点是ClassGuid的定义，这个可是困扰N多人的问题哦。-I perfected the DDK inside StorageEnum routine, you can enumerate and read out the USB device VID, PID information (see the annex to the picture storageNum.JPG), the key point is the definition of ClassGuid, the troubled but more than N Oh the problem.