Adding click-event handlers to menus

Menus are not just to add to the application; you need to perform some actions on the menu with a click by adding the Click event handler, as shown in the following code snippet:

<MenuItem Header="E_xit" Click="OnExitMenuClicked" /> 

In the code behind, implement the handler, as shown in the following code:

private void OnExitMenuClicked(object sender, RoutedEventArgs e) 
{ 
    MessageBox.Show("'Exit' menu item clicked!"); 
    Environment.Exit(0); 
} 

This will first show a message box and then exit the application when the user clicks on the Exit menu item.