c# 获取Mac地址

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需要添加引用：System.Management

        public static string GetMacAddress()
        {
            string macAddress = "";
            using (ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration"))
            {
                ManagementObjectCollection moc2 = mc.GetInstances();
                foreach (ManagementObject mo in moc2)
                {
                    if ((bool)mo["IPEnabled"] == true)
                        macAddress = mo["MacAddress"].ToString();
                    mo.Dispose();
                }
            }

            return macAddress;
        }