private void Form1_Load(object sender, EventArgs e)
        {
            //Tamir.IPLib.PcapDeviceList myDevices = Tamir.IPLib.SharpPcap.GetAllDevices();
            //foreach (Tamir.IPLib.PcapDevice pcapdev in myDevices)
            //this.comboBox1.Items.Add(pcapdev.PcapDescription);
            //this.comboBox1.SelectedIndex = 1;         
            //foreach(Tamir.IPLib.NetworkDevice

            Tamir.IPLib.PcapDeviceList myDevices = Tamir.IPLib.SharpPcap.GetAllDevices();
            MessageBox.Show(myDevices.Count.ToString());

        }