C#获取本机mac地址

添加System.Management的引用，

using System.Management;

string mac = "";
ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection moc=mc.GetInstances();

foreach(ManagementObject mo in moc)
{
    if ((bool)mo["IPEnabled"])
    {
        mac = mo["MacAddress"].ToString();
    }
}

参考

http://www.cnblogs.com/diulela/archive/2012/04/07/2436111.html