C# win7下获取ip地址

 private string GetLocalIp()        {            string localIp;            IPHostEntry host;            host = Dns.GetHostEntry(Dns.GetHostName());            if (host.AddressList.Count() > 1)            {                //win7 ip                localIp = host.AddressList[1].ToString();            }            else            {                //xp                localIp = host.AddressList[0].ToString();            }            return localIp;        }