MARKUS

        public MainWindow()

        {

            this.Loaded += MainWindow_Loaded;

            this.KeyDown += new KeyEventHandler(KeyEventDownAction);

            this.KeyUp += new KeyEventHandler(KeyEventUpAction);

        private void MainWindow_Loaded(object sender, RoutedEventArgs e)

        {

            double screenWidth = System.Windows.SystemParameters.PrimaryScreenWidth;

            double screenHeight = System.Windows.SystemParameters.PrimaryScreenHeight;

            //this.Width += 40;