Просто сделанный этим за несколько минут:
using System;
using System.Management;
namespace WindowsFormsApplication_CS
{
class NetworkManagement
{
public void setIP(string ip_address, string subnet_mask)
{
ManagementClass objMC =
new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection objMOC = objMC.GetInstances();
foreach (ManagementObject objMO in objMOC)
{
if ((bool)objMO["IPEnabled"])
{
ManagementBaseObject setIP;
ManagementBaseObject newIP =
objMO.GetMethodParameters("EnableStatic");
newIP["IPAddress"] = new string[] { ip_address };
newIP["SubnetMask"] = new string[] { subnet_mask };
setIP = objMO.InvokeMethod("EnableStatic", newIP, null);
}
}
}
public void setGateway(string gateway)
{
ManagementClass objMC = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection objMOC = objMC.GetInstances();
foreach (ManagementObject objMO in objMOC)
{
if ((bool)objMO["IPEnabled"])
{
ManagementBaseObject setGateway;
ManagementBaseObject newGateway =
objMO.GetMethodParameters("SetGateways");
newGateway["DefaultIPGateway"] = new string[] { gateway };
newGateway["GatewayCostMetric"] = new int[] { 1 };
setGateway = objMO.InvokeMethod("SetGateways", newGateway, null);
}
}
}
public void setDNS(string NIC, string DNS)
{
ManagementClass objMC = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection objMOC = objMC.GetInstances();
foreach (ManagementObject objMO in objMOC)
{
if ((bool)objMO["IPEnabled"])
{
// if you are using the System.Net.NetworkInformation.NetworkInterface
// you'll need to change this line to
// if (objMO["Caption"].ToString().Contains(NIC))
// and pass in the Description property instead of the name
if (objMO["Caption"].Equals(NIC))
{
ManagementBaseObject newDNS =
objMO.GetMethodParameters("SetDNSServerSearchOrder");
newDNS["DNSServerSearchOrder"] = DNS.Split(',');
ManagementBaseObject setDNS =
objMO.InvokeMethod("SetDNSServerSearchOrder", newDNS, null);
}
}
}
}
public void setWINS(string NIC, string priWINS, string secWINS)
{
ManagementClass objMC = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection objMOC = objMC.GetInstances();
foreach (ManagementObject objMO in objMOC)
{
if ((bool)objMO["IPEnabled"])
{
if (objMO["Caption"].Equals(NIC))
{
ManagementBaseObject setWINS;
ManagementBaseObject wins =
objMO.GetMethodParameters("SetWINSServer");
wins.SetPropertyValue("WINSPrimaryServer", priWINS);
wins.SetPropertyValue("WINSSecondaryServer", secWINS);
setWINS = objMO.InvokeMethod("SetWINSServer", wins, null);
}
}
}
}
}
}
Я надеюсь, что Вы не возражаете против меня отправляющий Вам в пример, но это - действительно идеальный пример: http://www.codeproject.com/KB/cs/oazswitchnetconfig.aspx
Мне нравится решение WMILinq. Хотя это и не совсем решение вашей проблемы, ниже вы можете попробовать его:
using (WmiContext context = new WmiContext(@"\\.")) {
context.ManagementScope.Options.Impersonation = ImpersonationLevel.Impersonate;
context.Log = Console.Out;
var dnss = from nic in context.Source<Win32_NetworkAdapterConfiguration>()
where nic.IPEnabled
select nic;
var ips = from s in dnss.SelectMany(dns => dns.DNSServerSearchOrder)
select IPAddress.Parse(s);
}