/// 
        /// 将IP，DNS设置为自动获取        /// 
        private void setDHCP()        {            string  _doscmd = "netsh interface ip set address 本地连接 DHCP";            Process p = new Process();            p.StartInfo.FileName = "cmd.exe";            p.StartInfo.UseShellExecute = false;            p.StartInfo.RedirectStandardInput = true;            p.StartInfo.RedirectStandardOutput = true;            p.StartInfo.RedirectStandardError = true;            p.StartInfo.CreateNoWindow = true;            p.Start();            p.StandardInput.WriteLine(_doscmd.ToString());            _doscmd = "netsh interface ip set dns 本地连接 DHCP";            p.StandardInput.WriteLine(_doscmd.ToString());            p.StandardInput.WriteLine("exit");        }        /// 
        /// 设置IP地址，掩码，网关等        /// 
        private void setIPaddress()        {            string _ipaddress = "192.168.111.222";            string _submask = "255.255.255.0";            string _gateway = "192.168.111.1";            string _dns1 = "123.1.11.1";                      string  _doscmd = "netsh interface ip set address 本地连接 static " + _ipaddress + " " + _submask + " " + _gateway + " 1";            Process p = new Process();            p.StartInfo.FileName = "cmd.exe";            p.StartInfo.UseShellExecute = false;            p.StartInfo.RedirectStandardInput = true;            p.StartInfo.RedirectStandardOutput = true;            p.StartInfo.RedirectStandardError = true;            p.StartInfo.CreateNoWindow = true;            p.Start();            p.StandardInput.WriteLine(_doscmd.ToString());            _doscmd = "netsh interface ip set dns 本地连接 static " + _dns1;            p.StandardInput.WriteLine(_doscmd.ToString());                               p.StandardInput.WriteLine("exit");        }