学步园

 IPGlobalProperties ipInfo = IPGlobalProperties.GetIPGlobalProperties();
     TcpConnectionInformation[] ipStaticIp4 = ipInfo.GetActiveTcpConnections();
     if (ipStaticIp4.Length == 0)
      LoginUser.IP = "127.0.0.1";
     else
     {
      System.Net.IPEndPoint localEndPoint = ipStaticIp4[0].LocalEndPoint;
      string localIp = localEndPoint.Address.ToString();

      LoginUser.IP = localIp;
     }