1、手动修改IP
2、自动获取IP
操作系统:Windows 7
开发工具:Visual Studio 2022
1、获取网卡
private void InitalNetworkInterfaceName()
{
NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
foreach (var adapter in adapters)
{ //添加网卡中的以太网或无线网络类型
if (adapter.NetworkInterfaceType == NetworkInterfaceType.Ethernet
|| adapter.NetworkInterfaceType == NetworkInterfaceType.Wireless80211)
Adapter.Items.Add(adapter.Description);
}
}
使用了NetworkInterface类,获得一个包含网卡各种属性的数组,包括:Description、Id、Name、NetworkInterfaceType、Speed等。
2、读取IP
private void Adapter_SelectedIndexChanged(object sender, EventArgs e)
{ //网卡选择改变,刷新IP数据
NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
foreach (var adapter in adapters)
{
if (adapter.Description == (string)Adapter.SelectedItem)
{
GateWay.Text = "";//刷新前先清除
IP.Text = ""; MaskCode.Text = "";
DNS1.Text = ""; DNS2.Text = "";
var iP = adapter.GetIPProperties();
int gateWayNum = iP.GatewayAddresses.Count;//网关(自动1,手动设1,手动不设0)
var ipcollection = iP.UnicastAddresses;//IP和子网掩码
int dnsCount = iP.DnsAddresses.Count;//DNS(自动1,手动设两个2,手动设一个1,手动不设3)
if (gateWayNum == 0) GateWay.Text = "不存在!";
while (--gateWayNum >= 0) GateWay.Text = iP.GatewayAddresses[gateWayNum].Address.ToString();
foreach (var item in ipcollection)
{
if (item.Address.AddressFamily == AddressFamily.InterNetwork)
{ //IPV4过滤
IP.Text = item.Address.ToString(); //显示IP
MaskCode.Text = item.IPv4Mask.ToString(); //显示子网掩码
}
}
if (0 < dnsCount & dnsCount < 3)
{
DNS1.Text = iP.DnsAddresses[0].ToString();//显示DNS1
if (dnsCount > 1) DNS2.Text = iP.DnsAddresses[1].ToString();//显示DNS2
else DNS2.Text = "不存在!";
}
else
{
DNS1.Text = "不存在!";
DNS2.Text = "不存在!";
}
}
}
}
3、手动修改IP
private void Modify_Click(object sender, EventArgs e)
{
ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection moc = mc.GetInstances();
foreach (ManagementObject mo in moc)
{
if (!(bool)mo["IPEnabled"])//网卡未启用则不能修改
continue;
if (mo["Description"].ToString() == (string)Adapter.SelectedItem)
{
if (IP.Text != null)//IP设置
{
ManagementBaseObject newIP = mo.GetMethodParameters("EnableStatic");
newIP["IPAddress"] = new string[] { IP.Text };
newIP["SubnetMask"] = new string[] { MaskCode.Text };
mo.InvokeMethod("EnableStatic", newIP, null);
}
if (GateWay.Text != null)//网关设置
{
ManagementBaseObject newGateway = mo.GetMethodParameters("SetGateways");
newGateway["DefaultIPGateway"] = new string[] { GateWay.Text };
mo.InvokeMethod("SetGateways", newGateway, null);
}
if (DNS1.Text != null)//DNS设置
{
ManagementBaseObject newDNS = mo.GetMethodParameters("SetDNSServerSearchOrder");
string[] dns = new string[] { DNS1.Text, DNS2.Text };
newDNS["DNSServerSearchOrder"] = dns;
mo.InvokeMethod("SetDNSServerSearchOrder", newDNS, null);
}
MessageBox.Show("适配器设置完成!", "提示:");
break;
}
}
}
使用了ManagementClass类的GetInstances()方法,获取网卡所有实例。
4、自动获取IP
private void Autoget_Click(object sender, EventArgs e)
{ //自动获取IP
ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection moc = mc.GetInstances();
foreach (ManagementObject mo in moc)
{
if (!(bool)mo["IPEnabled"])
continue;
if (mo["Description"].ToString() == (string)Adapter.SelectedItem)
{
mo.InvokeMethod("SetDNSServerSearchOrder", null);//重置DNS
mo.InvokeMethod("EnableDHCP", null);//开启DHCP
MessageBox.Show("已设置为自动获取IP!", "提示:");
break;
}
}
}
5、自动输入掩码
private void MaskCode_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(MaskCode.Text)) MaskCode.Text = "255.255.255.0";
}
链接:https://pan.baidu.com/s/1B_OB3fjDvW8gtdVNHx8grQ?pwd=7777
提取码:7777
https://www.jb51.net/article/67937.htm
https://blog.csdn.net/asdcsj/article/details/49961967
https://blog.csdn.net/qq_42766764/article/details/122730101
本文例程功能简略,多有不足之处,仅供参考。
页面更新:2024-04-29
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