MenuItem.SubmenuOpened Evento

Definizione

Spazio dei nomi:

System.Windows.Controls

Assembly:

PresentationFramework.dll

Si verifica quando lo stato della proprietà IsSubmenuOpen si modifica in true.

public:
 event System::Windows::RoutedEventHandler ^ SubmenuOpened;

public event System.Windows.RoutedEventHandler SubmenuOpened;

member this.SubmenuOpened : System.Windows.RoutedEventHandler 

Public Custom Event SubmenuOpened As RoutedEventHandler 

Tipo evento

RoutedEventHandler

Esempio

Gli esempi seguenti illustrano la chiamata e la gestione dell'evento SubmenuOpened .

<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.";
    }
}

Private Sub OnSubmenuOpened(ByVal sender As Object, ByVal e As RoutedEventArgs)

    If sender Is e.Source Then
        textBlock1.Text = "Submenu is open."
    End If
End Sub

Commenti

Informazioni evento indirizzato

Campo Identificatore	SubmenuOpenedEvent
Strategia di routing	Bubbling
Delegato	RoutedEventHandler