MissionPlanner.MainV2.CMB_serialport_Click C# (CSharp) Method

        private void CMB_serialport_Click(object sender, EventArgs e)
        {
            string oldport = _connectionControl.CMB_serialport.Text;
            PopulateSerialportList();
            if (_connectionControl.CMB_serialport.Items.Contains(oldport))
                _connectionControl.CMB_serialport.Text = oldport;
        }