Popup.CustomPopupPlacementCallback Свойство

Определение

Возвращает или задает метод обработчика делегата, который определяет положение элемента управления Popup.Gets or sets a delegate handler method that positions the Popup control.

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; }
member this.CustomPopupPlacementCallback : System.Windows.Controls.Primitives.CustomPopupPlacementCallback with get, set
Public Property CustomPopupPlacementCallback As CustomPopupPlacementCallback

Значение свойства

Метод делегата CustomPopupPlacementCallback, который предоставляет сведения о размещении элемента управления Popup.The CustomPopupPlacementCallback delegate method that provides placement information for the Popup control. Значение по умолчанию — null.The default is null.

Атрибуты

Примеры

В следующем примере показано, как задать CustomPopupPlacementCallback делегат.The following example shows how to set a CustomPopupPlacementCallback delegate.

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

Комментарии

Сведения о свойстве зависимостейDependency Property Information

Поле идентификатораIdentifier field CustomPopupPlacementCallbackProperty
Свойства метаданных, для которых задано значениеtrueMetadata properties set to true НетNone

Применяется к

Дополнительно