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MenuItem.SubmenuOpened Event

 
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Occurs when the state of the IsSubmenuOpen property changes to true.

Namespace:   System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

public event RoutedEventHandler SubmenuOpened

Identifier field

SubmenuOpenedEvent

Routing strategy

Bubbling

Delegate

RoutedEventHandler

The following examples demonstrate calling and handling the SubmenuOpened event.

<MenuItem Name="submenu" Header="Menu with Submenu" 
          SubmenuOpened="OnSubmenuOpened"
          SubmenuClosed="OnSubmenuClosed">
private void OnSubmenuOpened(object sender, RoutedEventArgs e)
{

    if (sender == e.Source)
    {
        textBlock1.Text = "Submenu is open.";
    }
}

.NET Framework
Available since 3.0
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