ManagementBaseObject inPar = null;
ManagementBaseObject outPar = null;
ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection moc = mc.GetInstances();
foreach (ManagementObject mo in moc)
{
if (!(bool)mo["IPEnabled"])
continue;
//设置ip地址和子网掩码
inPar = mo.GetMethodParameters("EnableStatic");
inPar["IPAddress"] = new string[] { "172.168.1.111" };
inPar["SubnetMask"] = new string[] { "255.255.255.0" };
outPar = mo.InvokeMethod("EnableStatic", inPar, null);
//设置网关地址
inPar = mo.GetMethodParameters("SetGateways");
inPar["DefaultIPGateway"] = new string[] { "172.168.1.1" };
outPar = mo.InvokeMethod("SetGateways", inPar, null);
//设置DNS
inPar = mo.GetMethodParameters("SetDNSServerSearchOrder");
inPar["DNSServerSearchOrder"] = new string[] { "221.11.1.67" };
outPar = mo.InvokeMethod("SetDNSServerSearchOrder", inPar, null);