using System;
using System.Windows;
using System.Windows.Input;
public class MainClass : Window
{
[STAThread]
public static void Main()
{
Application app = new Application();
app.Run(new MainClass());
}
public MainClass()
{
Title = "Title";
WindowStartupLocation = WindowStartupLocation.CenterScreen;
Width = 192;
Height = 192;
}
protected override void OnKeyDown(KeyEventArgs args)
{
base.OnKeyDown(args);
if (args.Key == Key.Up)
{
Left -= 0.05 * Width;
Top -= 0.05 * Height;
Width *= 1.1;
Height *= 1.1;
}
else if (args.Key == Key.Down)
{
Left += 0.05 * (Width /= 1.1);
Top += 0.05 * (Height /= 1.1);
}
}
}