MenuItem.OnSubmenuOpened(RoutedEventArgs) Metodo

Definizione

Spazio dei nomi:

System.Windows.Controls

Assembly:

PresentationFramework.dll

Viene chiamato quando il sottomenu di un oggetto MenuItem viene aperto.

protected:
 virtual void OnSubmenuOpened(System::Windows::RoutedEventArgs ^ e);

protected virtual void OnSubmenuOpened (System.Windows.RoutedEventArgs e);

abstract member OnSubmenuOpened : System.Windows.RoutedEventArgs -> unit
override this.OnSubmenuOpened : System.Windows.RoutedEventArgs -> unit

Protected Overridable Sub OnSubmenuOpened (e As RoutedEventArgs)

Parametri

e

RoutedEventArgs

Dati per l'evento SubmenuOpened.

Esempio

In questo esempio viene illustrato come usare il OnSubmenuOpened metodo .

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