C#调用WMI更改本地网络IP设置

 

using System;using System.Collections;using System.Text;using System.Management;using System.Text.RegularExpressions;namespace Kingthy.Windows.IPChanger.Providers{    /// <summary>    /// IPProvider 的摘要说明。    /// </summary>    public class IPProvider    {        public IPProvider()        {            //            // TODO: 在此处添加构造函数逻辑            //        }        /// <summary>        /// 设置DNS        /// </summary>        /// <param name="dns"></param>        public static void SetDNS(string[] dns)        {            SetIPAddress(null, null, null, dns);        }        /// <summary>        /// 设置网关        /// </summary>        /// <param name="getway"></param>        public static void SetGetWay(string getway)        {            SetIPAddress(null, null, new string[] { getway }, null);        }        /// <summary>        /// 设置网关        /// </summary>        /// <param name="getway"></param>        public static void SetGetWay(string[] getway)        {            SetIPAddress(null, null, getway, null);        }        /// <summary>        /// 设置IP地址和掩码        /// </summary>        /// <param name="ip"></param>        /// <param name="submask"></param>        public static void SetIPAddress(string ip, string submask)        {            SetIPAddress(new string[] { ip }, new string[] { submask }, null, null);        }        /// <summary>        /// 设置IP地址，掩码和网关        /// </summary>        /// <param name="ip"></param>        /// <param name="submask"></param>        /// <param name="getway"></param>        public static void SetIPAddress(string ip, string submask, string getway)        {            SetIPAddress(new string[] { ip }, new string[] { submask }, new string[] { getway }, null);        }        /// <summary>        /// 设置IP地址，掩码，网关和DNS        /// </summary>        /// <param name="ip"></param>        /// <param name="submask"></param>        /// <param name="getway"></param>        /// <param name="dns"></param>        public static void SetIPAddress(string[] ip, string[] submask, string[] getway, string[] dns)        {            ManagementClass wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");            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);                }                //设置网关地址                if (getway != null)                {                    inPar = mo.GetMethodParameters("SetGateways");                    inPar["DefaultIPGateway"] = getway;                    outPar = mo.InvokeMethod("SetGateways", inPar, null);                }                //设置DNS地址                if (dns != null)                {                    inPar = mo.GetMethodParameters("SetDNSServerSearchOrder");                    inPar["DNSServerSearchOrder"] = dns;                    outPar = mo.InvokeMethod("SetDNSServerSearchOrder", inPar, null);                }            }        }        /// <summary>        /// 启用DHCP服务器        /// </summary>        public static void EnableDHCP()        {            ManagementClass wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");            ManagementObjectCollection moc = wmi.GetInstances();            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;                //重置DNS为空                mo.InvokeMethod("SetDNSServerSearchOrder", null);                //开启DHCP                mo.InvokeMethod("EnableDHCP", null);            }        }        /// <summary>        /// 判断是否IP地址格式        /// </summary>        /// <param name="ip"></param>        /// <returns></returns>        public static bool IsIPAddress(string ip)        {            string[] arr = ip.Split('.');            if (arr.Length != 4)                return false;            string pattern = @"/d{1,3}";            for (int i = 0; i < arr.Length; i++)            {                string d = arr[i];                if (i == 0 && d == "0")                    return false;                if (!Regex.IsMatch(d, pattern))                    return false;                if (d != "0")                {                    d = d.TrimStart('0');                    if (d == "")                        return false;                    if (int.Parse(d) > 255)                        return false;                }            }            return true;        }    }}