C# 修改IP、网关、DNS

1、在 “解决方案资源管理器” 右击 “引用” 添加 “System.Management” 的引用。

2、添加 “using System.Management;”。

static void SetNetworkAdapter()

{

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[] { "192.168.16.248", "192.168.16.249" };

// 1.备用 2.IP

inPar["SubnetMask"] = new string[] { "255.255.255.0", "255.255.255.0" };

outPar = mo.InvokeMethod("EnableStatic", inPar, null);

//设置网关地址

inPar = mo.GetMethodParameters("SetGateways");

inPar["DefaultIPGateway"] = new string[] { "192.168.16.2", "192.168.16.254" };

// 1.网关;2.备用网关

outPar = mo.InvokeMethod("SetGateways", inPar, null);

//设置DNS

inPar = mo.GetMethodParameters("SetDNSServerSearchOrder");

inPar["DNSServerSearchOrder"] = new string[] { "211.97.168.129", "202.102.152.3" }; // 1.DNS 2.备用DNS

outPar = mo.InvokeMethod("SetDNSServerSearchOrder", inPar, null);

break;

}

}