1-) C# RMOS - Bilgisayarın mac adresini öğrenme

public string MyGetMacAddress()

        {

            return NetworkInterface

               .GetAllNetworkInterfaces()

               .Where(nic => nic.OperationalStatus == OperationalStatus.Up && nic.NetworkInterfaceType != NetworkInterfaceType.Loopback)

               .Select(nic => nic.GetPhysicalAddress().ToString())

               .FirstOrDefault();

        }

  //ManagementClass manager = new ManagementClass("Win32_NetworkAdapterConfiguration");

                //foreach (ManagementObject obj in manager.GetInstances())

                //{

                //    if ((bool)obj["IPEnabled"])

                //    {

                //        string mac3 = obj["MacAddress"].ToString();

                //        return mac3;

                //    }

                //}

printer mac de kullanılan

public static string MacAdresi()

        {

            string mac = "";

            try

            {

                NetworkInterface[] arayuz = NetworkInterface.GetAllNetworkInterfaces();

                PhysicalAddress MacAdres = arayuz[0].GetPhysicalAddress();

                mac = MacAdres.ToString();

            }

            catch (Exception ex)

            {

            }

            return mac;

        }