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Categories / C# / WPF

 

Creating CommandBinding and attaching an Executed and CanExecute handler

<Window x:Class="WpfApplication1.Window1"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     Title="CommandHandlerProcedural"     > </Window> //File:Window.xaml.cs using System; using System.Windows; using System.Windows.Controls; using System.Windows.Input; using System.Windows.Media; namespace WpfApplication1 {     public partial class Window1 : Window     {         public Window1()         {             InitializeComponent();                          StackPanel MainStackPanel = new StackPanel();             this.AddChild(MainStackPanel);             Button CommandButton = new Button();             CommandButton.Command = ApplicationCommands.Open;             CommandButton.Content = "Open (KeyBindings: Ctrl-R, Ctrl-0)";             MainStackPanel.Children.Add(CommandButton);             CommandBinding OpenCmdBinding = new CommandBinding(ApplicationCommands.Open,OpenCmdExecuted,OpenCmdCanExecute);             this.CommandBindings.Add(OpenCmdBinding);             KeyBinding OpenCmdKeyBinding = new KeyBinding(ApplicationCommands.Open,Key.R,ModifierKeys.Control);             this.InputBindings.Add(OpenCmdKeyBinding);         }         void OpenCmdExecuted(object target, ExecutedRoutedEventArgs e)         {             MessageBox.Show("The command has been invoked.");         }         void OpenCmdCanExecute(object sender, CanExecuteRoutedEventArgs e)         {             e.CanExecute = true;         }     } }