<Window x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Press F1 to get help" Height="250" Width="400">
<DockPanel>
<Menu DockPanel.Dock ="Top" HorizontalAlignment="Left" Background="White">
<MenuItem Header="_Edit">
<MenuItem Command ="Copy"/>
<MenuItem Command ="Cut"/>
<MenuItem Command ="Paste"/>
</MenuItem>
</Menu>
<TextBox AcceptsReturn ="True" Foreground ="Black" Background ="AliceBlue"></TextBox>
</DockPanel>
</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 MainWindow
Inherits System.Windows.Window
Public Sub New()
InitializeComponent()
Dim helpBinding As New CommandBinding(ApplicationCommands.Help)
AddHandler helpBinding.CanExecute, AddressOf CanHelpExecute
AddHandler helpBinding.Executed, AddressOf HelpExecuted
CommandBindings.Add(helpBinding)
End Sub
Private Sub CanHelpExecute(sender As Object, e As CanExecuteRoutedEventArgs)
e.CanExecute = True
End Sub
Private Sub HelpExecuted(sender As Object, e As ExecutedRoutedEventArgs)
MessageBox.Show("support", "Help!")
End Sub
End Class
End Namespace
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