Popup.CustomPopupPlacementCallback Eigenschaft

  • Referenz

Definition

Namespace:
System.Windows.Controls.Primitives
Assembly:
PresentationFramework.dll

Ruft eine Delegathandlermethode ab, die das Popup-Steuerelement positioniert, oder legt diese Methode fest.

public:
 property System::Windows::Controls::Primitives::CustomPopupPlacementCallback ^ CustomPopupPlacementCallback { System::Windows::Controls::Primitives::CustomPopupPlacementCallback ^ get(); void set(System::Windows::Controls::Primitives::CustomPopupPlacementCallback ^ value); };
[System.ComponentModel.Bindable(false)]
public System.Windows.Controls.Primitives.CustomPopupPlacementCallback CustomPopupPlacementCallback { get; set; }
[<System.ComponentModel.Bindable(false)>]
member this.CustomPopupPlacementCallback : System.Windows.Controls.Primitives.CustomPopupPlacementCallback with get, set
Public Property CustomPopupPlacementCallback As CustomPopupPlacementCallback

Eigenschaftswert

CustomPopupPlacementCallback

Die CustomPopupPlacementCallback-Delegatenmethode, die Informationen zur Platzierung für das Popup-Steuerelement bereitstellt. Der Standardwert ist null.

Attribute
BindableAttribute

Beispiele

Das folgende Beispiel zeigt, wie Sie einen CustomPopupPlacementCallback Delegaten festlegen.

popup1.CustomPopupPlacementCallback =
    new CustomPopupPlacementCallback(placePopup);

popup1.CustomPopupPlacementCallback = New CustomPopupPlacementCallback(AddressOf placePopup)

public CustomPopupPlacement[] placePopup(Size popupSize,
                                           Size targetSize,
                                           Point offset)
{
    CustomPopupPlacement placement1 =
       new CustomPopupPlacement(new Point(-50, 100), PopupPrimaryAxis.Vertical);

    CustomPopupPlacement placement2 =
        new CustomPopupPlacement(new Point(10, 20), PopupPrimaryAxis.Horizontal);

    CustomPopupPlacement[] ttplaces =
            new CustomPopupPlacement[] { placement1, placement2 };
    return ttplaces;
}

Public Function placePopup(ByVal popupSize As Size, ByVal targetSize As Size, ByVal offset As Point) As CustomPopupPlacement()
    Dim placement1 As New CustomPopupPlacement(New Point(-50, 100), PopupPrimaryAxis.Vertical)

    Dim placement2 As New CustomPopupPlacement(New Point(10, 20), PopupPrimaryAxis.Horizontal)

    Dim ttplaces() As CustomPopupPlacement = { placement1, placement2 }
    Return ttplaces
End Function

Hinweise

Informationen zur Abhängigkeitseigenschaft
Bezeichnerfeld CustomPopupPlacementCallbackProperty
Metadateneigenschaften auf true festgelegt Keine

Gilt für

Siehe auch