using System;using System.Net;namespace ConsoleApplication{    class Program    {        static void Main(string[] args)        {            IPHostEntry ipHost = Dns.GetHostEntry(Dns.GetHostName());     //v6地址      //      IPHostEntry ipHost = Dns.GetHostByName(Dns.GetHostName());      //v4地址            IPAddress ipAddr = ipHost.AddressList[0];            Console.Write(ipAddr.ToString());            Console.Read();        }          }}