private static void setIPAddress(string[] ip, string[] submask, string[] getway, string[] dns)

        {

            ManagementClass wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");

            using (ManagementObjectCollection moc = wmi.GetInstances())

            {

                ManagementBaseObject inPar = null;

                ManagementBaseObject outPar = null;

                foreach (ManagementObject mo in moc)

                {

                    //如果没有启用IP设置的网络设备则跳过

                    if (!(bool)mo["IPEnabled"])

                        continue;

                    //设置IP地址和掩码

                    if (ip != null && submask != null)

                    {

                        inPar = mo.GetMethodParameters("EnableStatic");

                        inPar["IPAddress"] = ip;

                        inPar["SubnetMask"] = submask;

                        outPar = mo.InvokeMethod("EnableStatic", inPar, null);

                        object x=outPar.GetPropertyValue("ReturnValue");