Using CommandBinding and ExecutedRoutedEventHandler to bind Application event to an event handler method : Command « Windows Presentation Foundation « VB.Net Tutorial

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VB.Net Tutorial » Windows Presentation Foundation » Command   16.89.6.Using CommandBinding and ExecutedRoutedEventHandler to bind Application event to an event handler method <Window x:Class="WpfApplication1.Window1"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     Title="CommandBasics" Height="300" Width="300">   <Grid>     <Button Command="ApplicationCommands.Properties" Content="_Properties"/>   </Grid> </Window> //File:Window.xaml.vb Imports System Imports System.Collections.Generic Imports System.Text Imports System.Windows Imports System.Windows.Controls Imports System.Windows.Data Imports System.Windows.Documents Imports System.Windows.Input Imports System.Windows.Media Imports System.Windows.Media.Imaging Imports System.Windows.Shapes Namespace WpfApplication1   Public Partial Class Window1     Inherits Window     Public Sub New()       InitializeComponent()       Dim cb As New CommandBinding(ApplicationCommands.Properties)       AddHandler cb.Executed, New ExecutedRoutedEventHandler(AddressOf cb_Executed)       Me.CommandBindings.Add(cb)     End Sub     Private Sub cb_Executed(sender As Object, e As ExecutedRoutedEventArgs)       MessageBox.Show("Properties")     End Sub   End Class End Namespace 16.89.Command 16.89.1. Invoking Copy command with a Button 16.89.2. Button CommandTarget Binding 16.89.3. Creating CommandBinding and attaching an Executed and CanExecute handler 16.89.4. Command Handler Command Binding in Xaml 16.89.5. Property changed callback 16.89.6. Using CommandBinding and ExecutedRoutedEventHandler to bind Application event to an event handler method 16.89.7. Create CommandBindings in Xaml and bind to Button 16.89.8. Bind TextBox save command to CommandBinding 16.89.9. Press F1 to get help 16.89.10. Help command 16.89.11. Command Enabling