C#获取局域网MAC地址的简单实例

效果：

说明：获取本局域网的mac地址（非本机的mac地址）

代码：

/// <summary>
        /// 获取网卡物理地址
        /// </summary>
        /// <returns></returns>
        public static string getmac()
        {
            string madaddr = null;
            managementclass mc = new managementclass("win32_networkadapterconfiguration");
            managementobjectcollection moc2 = mc.getinstances();
            foreach (managementobject mo in moc2)
            {
                if (convert.toboolean(mo["ipenabled"]) == true)
                {
                    madaddr = mo["macaddress"].tostring();
                    madaddr = madaddr.replace(':', '-');
                }
                mo.dispose();
            }
            return madaddr;
        }