public static extern bool SetupDiGetDeviceInstanceIdW( IntPtr DeviceInfoSet, ref NativeStructs.SP_DEVINFO_DATA DeviceInfoData, IntPtr DeviceInstanceId, uint DeviceInstanceIdSize, out uint RequiredSize);
public static extern bool SetupDiEnumDeviceInfo( IntPtr DeviceInfoSet, uint MemberIndex, ref NativeStructs.SP_DEVINFO_DATA DeviceInfoData);