C#-自动获取IP

 //自动获取ip rip是个下拉列表 public void GetIp(){      try      {         string strHostName = Dns.GetHostName();  //得到本机的主机名          IPHostEntry ipEntry = Dns.GetHostByName(strHostName); //取得本机IP          string strAddr = ipEntry.AddressList[0].ToString();         rip.Text = strAddr;          rip.Items.Clear();         for (int i = 0; i < 10; i++)         {                strAddr = ipEntry.AddressList[i].ToString();                rip.Items.Add(strAddr);          }      }      catch{}}