Включить или выключить сетевой адаптер

SelectQuery wmiQuery = new SelectQuery("SELECT * FROM Win32_NetworkAdapter WHERE NetConnectionId != NULL");
ManagementObjectSearcher searchProcedure = new ManagementObjectSearcher(wmiQuery);
foreach (ManagementObject item in searchProcedure.Get())
{
    if (((string)item["NetConnectionId"]) == "Local Network Connection")
    {
       item.InvokeMethod("Disable", null);
    }
}

static void Enable(string interfaceName)
{
    System.Diagnostics.ProcessStartInfo psi = 
        new System.Diagnostics.ProcessStartInfo("netsh", "interface set interface \"" + interfaceName + "\" enable");
    System.Diagnostics.Process p = new System.Diagnostics.Process();
    p.StartInfo = psi;
    p.Start();
}

var wmiQuery = new SelectQuery("SELECT * FROM Win32_NetworkAdapter WHERE NetConnectionId != NULL");
            var searchProcedure = new ManagementObjectSearcher(wmiQuery);
            foreach (var o in searchProcedure.Get())
            {
                var item = (ManagementObject)o;
                if (((string)item["NetConnectionId"]) == "Подключение по локальной сети") 
                    item.InvokeMethod("Disable", null);                
            }