private void InitializePortList()
        {
            var ports = SerialPortManager.GetSerialPortList();

            CBox_PortList.BeginUpdate();
            {
                CBox_PortList.Items.AddRange(ports.ToArray());
                if (CBox_PortList.Items.Count > 0)
                {
                    CBox_PortList.SelectedIndex = 0;
                }
            }
            CBox_PortList.EndUpdate();
        }