public frmCapture() { InitializeComponent(); devices = CaptureDeviceList.Instance; if (devices.Count < 1) { MessageBox.Show("No Devices found on the machine!! "); Application.Exit(); } // Add all the devices on the machine to the combo box. cmbDevices.Items.AddRange(devices.Select(d => d.Description).ToArray()); // Select my Ethernet device //device = devices.FirstOrDefault(d => d.Description.Contains("Ethernet")); //cmbDevices.Text = device.Description; //registerHandler(); }