//File:Window.xaml.cs using System; using System.Collections.Generic; using System.Text; 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.Shapes; namespace Commands { public partial class TwoDocument : System.Windows.Window { public TwoDocument() { } private void SaveCommand(object sender, ExecutedRoutedEventArgs e) { Console.WriteLine("SaveCommand"); } private void txt_TextChanged(object sender, RoutedEventArgs e) { Console.WriteLine("text changed"); } private void SaveCommand_CanExecute(object sender, CanExecuteRoutedEventArgs e) { e.CanExecute = false; } } }