编程使用WMI 控制连接属性

using System;
using System.Management;

namespace ArLi.CommonPrj {
public class ChangeIP {

///

1<summary>   
2/// Build of ArLi 2003.6.3   
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;

///

1<summary>   
2/// 例：   
3/// <code>   
4/// ArLi.CommonPrj.ChangeIP o = new ArLi.CommonPrj.ChangeIP();   
5/// string[] ipList = new string[]{"192.168.0.253","192.168.0.250"};   
6/// string[] subnetList = new string[]{"255.255.255.0","255.255.255.0"};   
7/// o.ChangeTo(ipList,subnetList);   
8/// </code>   
9/// </summary>

public ChangeIP(){
moc = mc.GetInstances();
}

///

1<summary>控制连接</summary>

///

1<param name="ipAddr"/>

IP地址列表
///

1<param name="subnetMask"/>

对应子网掩码列表
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);
}
}

///

1<summary>控制连接</summary>

///

1<param name="ipAddr"/>

IP地址列表
///

1<param name="subnetMask"/>

对应子网掩码列表
///

1<param name="gateways"/>

网关列表
///

1<param name="gatewayCostMetric"/>

网关接口跃点数列表
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);
}
}

///

1<summary>控制连接</summary>

///

1<param name="ipAddr"/>

IP地址列表
///

1<param name="subnetMask"/>

对应子网掩码列表
///

1<param name="gateways"/>

网关列表
///

1<param name="gatewayCostMetric"/>

网关接口跃点数列表
///

1<param name="dnsServer"/>

DNS 服务器列表
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);
}
}

///

1<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);
}
}
}
}
}