using System.Windows; using System.Windows.Controls; using System.Windows.Input; namespace _3_WPF命令5_直接调用命令; /// /// Interaction logic for MainWindow.xaml /// public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } private void NewButton_OnClick(object sender, RoutedEventArgs e) { ApplicationCommands.New.Execute(null, (Button)sender); } }