MenuItem opened event : Menu « Windows Presentation Foundation « C# / CSharp Tutorial

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C# / CSharp Tutorial » Windows Presentation Foundation » Menu 
24.35.10.MenuItem opened event
<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="AppWindowsSample" Height="200" Width="300" 
    xmlns:my="clr-namespace:System;assembly=mscorlib">
  <StackPanel>
    <Menu Name="menu1" >
      <MenuItem Header="Window" x:Name="windowMenu">
        <MenuItem Header="SubmenuOpened event" />
      </MenuItem>
    </Menu>
    <Button Margin="10" Name="newWindowButton" Height="23" VerticalAlignment="Top">New Window</Button>
    <StatusBar Grid.Row="2" Name="statusBar1" >
      <TextBlock x:Name="statusText">Status</TextBlock>
    </StatusBar>
    <Button Height="23" Margin="10" Name="shutdownButton" VerticalAlignment="Top" >Shutdown</Button>
  </StackPanel>
</Window>
//File:Window.xaml.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Windows.Controls.Primitives;
using System.Diagnostics;
using System.ComponentModel;


namespace WpfApplication1 {
  public partial class Window1 : System.Windows.Window {

    public Window1() {
      InitializeComponent();

      DataContext = Application.Current.Windows;
      statusText.Text = Application.Current.ShutdownMode.ToString();

      newWindowButton.Click += new RoutedEventHandler(newWindowButton_Click);
      shutdownButton.Click += new RoutedEventHandler(shutdownButton_Click);
      windowMenu.SubmenuOpened += new RoutedEventHandler(windowMenu_SubmenuOpened);
      Closing += Window1_Closing;
    }

    public void windowMenu_SubmenuOpened(object sender, RoutedEventArgs e) {
      windowMenu.Items.Clear();
      foreachWindow window in Application.Current.Windows ) {
        MenuItem item = new MenuItem();
        item.Header = window.Title;
        item.Click += windowMenuItem_Click;
        item.Tag = window;
        item.IsChecked = window.IsActive;
        windowMenu.Items.Add(item);
      }
    }

    public void windowMenuItem_Click(object sender, RoutedEventArgs e) {
      Window window = (Window)((MenuItem)sender).Tag;
      window.Activate();
    }

    public void newWindowButton_Click(object sender, RoutedEventArgs e) {
      Window window = new Window();
      window.Title = "Window " + DateTime.Now;
      window.Width = 200;
      window.Height = 100;
      window.Show();
      statusText.Text = Application.Current.ShutdownMode.ToString();
    }

    void shutdownButton_Click(object sender, RoutedEventArgs e) {
      Application.Current.Shutdown();
    }

    void Window1_Closing(object sender, CancelEventArgs e) {
      ifMessageBox.Show("Do you really want to shut down?""Shutting Down", MessageBoxButton.YesNo== MessageBoxResult.No ) {
        e.Cancel = true;
      }
    }


  }
}
WPF Menu Item Opened Event
24.35.Menu
24.35.1.File menuFile menu
24.35.2.Menu and MenuItemMenu and MenuItem
24.35.3.Menu With Sub headingMenu With Sub heading
24.35.4.A main menuA main menu
24.35.5.MenuItems with CommandsMenuItems with Commands
24.35.6.Menu item with shortcut and access keyMenu item with shortcut and access key
24.35.7.Window with Menu, ToolBar, StatusBarWindow with Menu, ToolBar, StatusBar
24.35.8.MenuItem Commands And EventsMenuItem Commands And Events
24.35.9.Add MenuItem to MenuAdd MenuItem to Menu
24.35.10.MenuItem opened eventMenuItem opened event
24.35.11.Use MenuItem.Tag to store user objectUse MenuItem.Tag to store user object
24.35.12.Format TextBox with MenuItem: normal, bold, italicFormat TextBox with MenuItem: normal, bold, italic
24.35.13.MenuBar and ToolBarMenuBar and ToolBar
24.35.14.Add Menu to NavigationWindow ContentAdd Menu to NavigationWindow Content
24.35.15.Menu item action handlerMenu item action handler
24.35.16.Add Menu to the Top of a DockPanel
24.35.17.Create Menu and Add MenuItem
24.35.18.Dock both menu and Toolbar to the top of a panel
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