//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Media;
using System.Windows.Shapes;
namespace WpfApplication1{
public partial class Window1 : Window {
public Window1() {
InitializeComponent();
}
void button_Click(object sender, RoutedEventArgs e) {
MessageBox.Show("You", "Nice!");
}
}
}