Amoeba.Windows.MainWindow.Window_Closing C# (CSharp) Method

        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {
            if (_closed) return;

            e.Cancel = true;

            if (MessageBox.Show(
                this,
                LanguagesManager.Instance.MainWindow_Close_Message,
                "Close",
                MessageBoxButton.YesNo,
                MessageBoxImage.Information) == MessageBoxResult.No)
            {
                return;
            }

            _closed = true;

            var thread = new Thread(() =>
            {
                try
                {
                    Settings.Instance.Save(_configrationDirectoryPaths["Settings"]);

                    this.Dispatcher.BeginInvoke(DispatcherPriority.Send, new Action(() =>
                    {
                        this.WindowState = System.Windows.WindowState.Minimized;
                    }));

                    _timerThread.Join();
                    _timerThread = null;

                    _statusBarThread.Join();
                    _statusBarThread = null;

                    _trafficMonitorThread.Join();
                    _trafficMonitorThread = null;

                    _catharsisManager.Save(_configrationDirectoryPaths["CatharsisManager"]);
                    _catharsisManager.Dispose();

                    _transferLimitManager.Stop();
                    _transferLimitManager.Save(_configrationDirectoryPaths["TransfarLimitManager"]);
                    _transferLimitManager.Dispose();

                    _connectionSettingManager.Stop();
                    _connectionSettingManager.Save(_configrationDirectoryPaths["ConnectionSettingManager"]);
                    _connectionSettingManager.Dispose();

                    _overlayNetworkManager.Stop();
                    _overlayNetworkManager.Save(_configrationDirectoryPaths["OverlayNetworkManager"]);
                    _overlayNetworkManager.Dispose();

                    _amoebaManager.EncodeStop();
                    _amoebaManager.DecodeStop();
                    _amoebaManager.Stop();
                    _amoebaManager.Save(_configrationDirectoryPaths["AmoebaManager"]);
                    _amoebaManager.Dispose();

                    NativeMethods.SetThreadExecutionState(ExecutionState.Continuous);
                    _notifyIcon.Visible = false;

                    this.Dispatcher.BeginInvoke(DispatcherPriority.Send, new Action(() =>
                    {
                        this.Close();
                    }));
                }
                catch (Exception ex)
                {
                    Log.Error(ex);
                }
            });
            thread.Priority = ThreadPriority.Highest;
            thread.Name = "MainWindow_CloseThread";
            thread.Start();
        }