/// <summary>
        ///
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void LaunchButton_Click(object sender, RoutedEventArgs e)
        {
            if (outPan.DisplayStep == "disp. step in s" && outPan.DisplayEnbld)
            {
                MessageBox.Show("please specify the refresh period"); return;
            }

            outManager.launch();
            (LaunchBtn.Template.FindName("buttnColor", LaunchBtn) as Path).Fill = Brushes.DeepPink;
            if (outPan.DisplayEnbld)
            {
                outPan.resetTimeTracker();
                dispTimer.Interval            = TimeSpan.Parse("0:00:" + outPan.DisplayStep);
                postLaunchControls.Visibility = Visibility.Visible;
                dispTimer.Start();
            }
        }