public static extern HRESULT CoInternetGetSecurityUrlEx(IUri *pUri, IUri **ppSecUri, PSUACTION psuAction, [NativeTypeName("DWORD_PTR")] nuint dwReserved);
 public static extern HRESULT CoInternetGetSecurityUrl([NativeTypeName("LPCWSTR")] ushort *pwszUrl, [NativeTypeName("LPWSTR *")] ushort **ppwszSecUrl, PSUACTION psuAction, [NativeTypeName("DWORD")] uint dwReserved);