MenuItem.SubmenuOpened Händelse

Definition

Namnområde:
System.Windows.Controls
Sammansättning:
PresentationFramework.dll

Inträffar när egenskapens IsSubmenuOpen tillstånd ändras till 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

Händelsetyp

RoutedEventHandler

Exempel

I följande exempel visas hur du anropar och hanterar händelsen 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

Kommentarer

Information om dirigerad händelse

Objekt Value
Identifierarfält SubmenuOpenedEvent
Routningsstrategi Bubblande
Delegera RoutedEventHandler

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