public static extern bool SetupDiEnumDeviceInterfaces(SafeFileHandle hDevInfo, IntPtr devInfo, ref Guid interfaceClassGuid, uint memberIndex, ref DeviceInterfaceData deviceInterfaceData);
public static extern bool SetupDiGetDeviceInterfaceDetail(SafeFileHandle hDevInfo, ref DeviceInterfaceData deviceInterfaceData, IntPtr deviceInterfaceDetailData, uint deviceInterfaceDetailDataSize, ref uint requiredSize, IntPtr deviceInfoData);