C#学习之获取MAC地址

/// <summary>
/// 获取MAC地址
/// </summary>
/// <returns></returns>
public static string GetNetworkAdpaterID()
{
    try
    {
        string mac = "";

        ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
        ManagementObjectCollection moc = mc.GetInstances();
        foreach (ManagementObject mo in moc)
            if ((bool)mo["IPEnabled"] == true)
            {
                mac += mo["MacAddress"].ToString() + " ";
                break;
            }
        moc = null;
        mc = null;
        return mac.Trim();
    }
    catch (Exception e)
    {
        return "uMnIk";
    }
}