编程使用WMI 控制连接属性

using System;
using System.Management;

namespace ArLi.CommonPrj {
 public class ChangeIP {

  /// <summary>
  /// Build of ArLi 2003.6.3
  /// </summary>
  public static readonly System.Version myVersion = new System.Version(1,1);

  private ManagementBaseObject iObj = null;
  private ManagementBaseObject oObj = null;
  private ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
  private readonly ManagementObjectCollection moc;

  /// <summary>
  /// 例：
  /// <code>
  /// ArLi.CommonPrj.ChangeIP o = new ArLi.CommonPrj.ChangeIP();
  /// string[] ipList = new string[]{"192.168.0.253","192.168.0.250"};
  /// string[] subnetList = new string[]{"255.255.255.0","255.255.255.0"};
  /// o.ChangeTo(ipList,subnetList);
  /// </code>
  /// </summary>
  public ChangeIP(){
   moc = mc.GetInstances(); 
  }
  
  /// <summary>控制连接</summary>
  /// <param name="ipAddr">IP地址列表</param>
  /// <param name="subnetMask">对应子网掩码列表</param>
  public void ChangeTo(string[] ipAddr,string[] subnetMask) {
   foreach(ManagementObject mo in moc) {
    if(! (bool) mo["IPEnabled"]) continue;

    iObj = mo.GetMethodParameters( "EnableStatic" );
    iObj["IPAddress"] = ipAddr;
    iObj["SubnetMask"] = subnetMask;
    oObj = mo.InvokeMethod("EnableStatic", iObj, null);
   }
  }

  /// <summary>控制连接</summary>
  /// <param name="ipAddr">IP地址列表</param>
  /// <param name="subnetMask">对应子网掩码列表</param>
  /// <param name="gateways">网关列表</param>
  /// <param name="gatewayCostMetric">网关接口跃点数列表</param>
  public void ChangeTo(string[] ipAddr, string[] subnetMask, string[] gateways, string[] gatewayCostMetric) {
   foreach(ManagementObject mo in moc) {
    if(! (bool) mo["IPEnabled"]) continue;

    iObj = mo.GetMethodParameters("EnableStatic");
    iObj["IPAddress"] = ipAddr;
    iObj["SubnetMask"] = subnetMask;
    oObj = mo.InvokeMethod("EnableStatic", iObj, null);

    iObj = mo.GetMethodParameters("SetGateways");
    iObj["DefaultIPGateway"] = gateways;
    iObj["GatewayCostMetric"] = gatewayCostMetric;
    oObj = mo.InvokeMethod("SetGateways", iObj, null);
   }
  }

  /// <summary>控制连接</summary>
  /// <param name="ipAddr">IP地址列表</param>
  /// <param name="subnetMask">对应子网掩码列表</param>
  /// <param name="gateways">网关列表</param>
  /// <param name="gatewayCostMetric">网关接口跃点数列表</param>
  /// <param name="dnsServer">DNS 服务器列表</param>
  public void ChangeTo(string[] ipAddr, string[] subnetMask, string[] gateways, string[] gatewayCostMetric, string[] dnsServer) {
   foreach(ManagementObject mo in moc) {
    if(! (bool) mo["IPEnabled"]) continue;

    iObj = mo.GetMethodParameters("EnableStatic");
    iObj["IPAddress"] = ipAddr;
    iObj["SubnetMask"] = subnetMask;
    oObj = mo.InvokeMethod("EnableStatic", iObj, null);

    iObj = mo.GetMethodParameters("SetGateways");
    iObj["DefaultIPGateway"] = gateways;
    iObj["GatewayCostMetric"] = gatewayCostMetric;
    oObj = mo.InvokeMethod("SetGateways", iObj, null);

    iObj = mo.GetMethodParameters("SetDNSServerSearchOrder");
    iObj["DNSServerSearchOrder"] = dnsServer;
    oObj = mo.InvokeMethod("SetDNSServerSearchOrder", iObj, null);
   }
  }

  /// <summary>控制连接，使它使用 DHCP</summary>
  public void EnableDHCP() {
   foreach(ManagementObject mo in moc) {
    if(! (bool) mo["IPEnabled"]) continue;

    if(! (bool)mo["DHCPEnabled"]) {
     iObj = mo.GetMethodParameters("EnableDHCP");
     oObj = mo.InvokeMethod("EnableDHCP", iObj, null);
    }
   }
  }
 }
}

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