C # WinForm Get the computer native external IP address

The link in the code site is I find a website to obtain an external IP address, can be replaced according to their own needs

        ///<summary>///Get External IP Address///</summary>///<returns></returns>PublicStaticStringGetIP () {using (var webClient =NewWebClient ()) {Try{var temp = webclient.downloadstring ("http://1111.ip138.com/ic.asp"); var ip = regex.match (temp, @ "\[(? <ip>\d+\.\d+\.\d+\.\d+)]"). groups["IP"]. Value; return! string. IsNullOrEmpty (IP)? IP: null;} catch (Exception ex) { return ex. Message; } } }

C # WinForm Get the computer native external IP address