Detailed introduction to the code example of winformC# to obtain the Mac address, IP address, subnet mask, and default gateway (picture)

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1. Add an assembly

##2. Introduction namespace

using System.Management;

3. Method

ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection nics = mc.GetInstances();
foreach (ManagementObject nic in nics)
{
if (Convert.ToBoolean(nic["ipEnabled"]) == true)
{
string mac = nic["MacAddress"].ToString();//Mac地址
string ip = (nic["IPAddress"] as String[])[0];//IP地址
string ipsubnet = (nic["IPSubnet"] as String[])[0];//子网掩码
string ipgateway = (nic["DefaultIPGateway"] as String[])[0];//默认网关
}
}

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