hranicko1

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApplication1
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public Label l = new Label();
        public MainWindow()
        {
            InitializeComponent();
            TextBlock_fullText.Foreground = Brushes.White;
            Thickness margin = TextBlock_fullText.Margin;
            margin.Left = 0;
            margin.Top = 0;
            TextBlock_fullText.Margin = margin;
            Rectangle r = new Rectangle();
            r.Width = 200;
            r.Height = 20;
            SolidColorBrush whiteBrush = new SolidColorBrush(Colors.Blue);
            r.Fill = whiteBrush;

            l.Width = 100;
            l.Height = 100;
            l.Content = "nic";
            l.Margin = new Thickness(100,100,0,0);
            canv.Children.Add(r);
            canv.Children.Add(l);
        }

        protected override void OnKeyDown(KeyEventArgs e)
        {
            if (e.Key == Key.Left)
            {
                l.Content = "doleva";
            }
            else if (e.Key == Key.Right)
            {
                l.Content = "doprava";
            }
        }
    }
}