MissionPlanner.MainV2.doDisconnect C# (CSharp) Method

        public void doDisconnect(MAVLinkInterface comPort)
        {
            log.Info("We are disconnecting");
            try
            {
                if (speechEngine != null) // cancel all pending speech
                    speechEngine.SpeakAsyncCancelAll();

                comPort.BaseStream.DtrEnable = false;
                comPort.Close();
            }
            catch (Exception ex)
            {
                log.Error(ex);
            }

            // now that we have closed the connection, cancel the connection stats
            // so that the 'time connected' etc does not grow, but the user can still
            // look at the now frozen stats on the still open form
            try
            {
                // if terminal is used, then closed using this button.... exception
                if (this.connectionStatsForm != null)
                    ((ConnectionStats) this.connectionStatsForm.Controls[0]).StopUpdates();
            }
            catch
            {
            }

            // refresh config window if needed
            if (MyView.current != null)
            {
                if (MyView.current.Name == "HWConfig")
                    MyView.ShowScreen("HWConfig");
                if (MyView.current.Name == "SWConfig")
                    MyView.ShowScreen("SWConfig");
            }

            try
            {
                System.Threading.ThreadPool.QueueUserWorkItem((WaitCallback) delegate
                {
                    try
                    {
                        MissionPlanner.Log.LogSort.SortLogs(Directory.GetFiles(Settings.Instance.LogDir, "*.tlog"));
                    }
                    catch
                    {
                    }
                }
                    );
            }
            catch
            {
            }

            this.MenuConnect.Image = global::MissionPlanner.Properties.Resources.light_connect_icon;
        }