如何得到Mac address?谢谢

最好有例子
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using System.Management;
.....
.....
static void EnumNetworkAdapters() {
query = new ManagementObjectSearcher("SELECT * FROM
Win32_NetworkAdapterConfiguration") ;
ManagementObjectCollection queryCollection = query.Get();
foreach( ManagementObject mo in queryCollection ) {
Console.WriteLine( "MacAddress\t{0}", mo["MacAddress"]);