using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
public class MainClass : Window
{
[STAThread]
public static void Main()
{
Application app = new Application();
app.Run(new MainClass());
}
public MainClass()
{
Button btn = new Button();
btn.HorizontalAlignment = HorizontalAlignment.Center;
btn.VerticalAlignment = VerticalAlignment.Center;
btn.Command = ApplicationCommands.Paste;
btn.Content = ApplicationCommands.Paste.Text;
Content = btn;
CommandBindings.Add(new CommandBinding(ApplicationCommands.Paste,PasteOnExecute, PasteCanExecute));
}
void PasteOnExecute(object sender, ExecutedRoutedEventArgs args)
{
Title = Clipboard.GetText();
}
void PasteCanExecute(object sender, CanExecuteRoutedEventArgs args)
{
args.CanExecute = Clipboard.ContainsText();
}
protected override void OnMouseDown(MouseButtonEventArgs args)
{
base.OnMouseDown(args);
Title = "title";
}
}