Command Handler Command Binding in Xaml : Command « Windows Presentation Foundation « VB.Net Tutorial

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VB.Net Tutorial » Windows Presentation Foundation » Command 
16.89.4.Command Handler Command Binding in Xaml
<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="commandWithHandler" Name="root">
  
  <Window.CommandBindings>
    <CommandBinding Command="ApplicationCommands.Open"
                    Executed="OpenCmdExecuted"
                    CanExecute="OpenCmdCanExecute"/>
  </Window.CommandBindings>


  <Window.InputBindings>
    <KeyBinding Command="ApplicationCommands.Open" Gesture="CTRL+R" />
  </Window.InputBindings>

  <StackPanel>
    <Button Command="ApplicationCommands.Open" Name="MyButton"
            Height="50" Width="200">
      Open (KeyBindings: Ctrl+R, Ctrl+0)
    </Button>
  </StackPanel>
</Window>
//File:Window.xaml.vb

Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Input

Namespace WpfApplication1
  Public Partial Class Window1
    Inherits Window
    Public Sub New()
      InitializeComponent()
    End Sub
    Private Sub OpenCmdExecuted(target As Object, e As ExecutedRoutedEventArgs)
      Dim command As [String], targetobj As [String]
      command = DirectCast(e.Command, RoutedCommand).Name
      targetobj = DirectCast(target, FrameworkElement).Name
      MessageBox.Show(command & " : " & targetobj)
    End Sub
    Private Sub OpenCmdCanExecute(sender As Object, e As CanExecuteRoutedEventArgs)
      e.CanExecute = True
    End Sub
  End Class
End Namespace
WPF Command Handler Command Binding In Xaml
16.89.Command
16.89.1.Invoking Copy command with a ButtonInvoking Copy command with a Button
16.89.2.Button CommandTarget BindingButton CommandTarget Binding
16.89.3.Creating CommandBinding and attaching an Executed and CanExecute handlerCreating CommandBinding and attaching an Executed and CanExecute handler
16.89.4.Command Handler Command Binding in XamlCommand Handler Command Binding in Xaml
16.89.5.Property changed callbackProperty changed callback
16.89.6.Using CommandBinding and ExecutedRoutedEventHandler to bind Application event to an event handler methodUsing CommandBinding and ExecutedRoutedEventHandler to bind Application event to an event handler method
16.89.7.Create CommandBindings in Xaml and bind to ButtonCreate CommandBindings in Xaml and bind to Button
16.89.8.Bind TextBox save command to CommandBindingBind TextBox save command to CommandBinding
16.89.9.Press F1 to get helpPress F1 to get help
16.89.10.Help commandHelp command
16.89.11.Command EnablingCommand Enabling
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