public Form1()
        {
            InitializeComponent();

            ArrayList pList = null;

            string[] lStatistic = null;
            try
            {
                pList = Peripherals.EnumerateAdapters();
            }
            catch (Exception ex)
            {
                MessageBox.Show("failed with\r\n" + ex.Message, "EnumerateAdapters()");
                Close();
                return;
            }

            listBox1.Items.Clear();

            foreach (string AdapterName in pList)
            {
                try
                {
                    listBox1.Items.Add(AdapterName + (Peripherals.IsAdapterPresent(AdapterName) ? " is present" : " is NOT present") + (Peripherals.IsWirelessAdapter(AdapterName) ? " [wireless adapter] " : ""));
                    lStatistic = Peripherals.GetAdapterStatistics(AdapterName);     // See Note 1
                    foreach (string StatInfo in lStatistic)
                    {
                        if (StatInfo.StartsWith("Local MAC Address"))
                        {
                            listBox1.Items.Add("ยป " + StatInfo);
                            break;
                        }
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                    Close();
                    return;
                }
            }
        }