Popup.CustomPopupPlacementCallback Property

Definition

Gets or sets a delegate handler method that positions the Popup control.

C#
[System.ComponentModel.Bindable(false)]
public System.Windows.Controls.Primitives.CustomPopupPlacementCallback CustomPopupPlacementCallback { get; set; }

Property Value

The CustomPopupPlacementCallback delegate method that provides placement information for the Popup control. The default is null.

Attributes

Examples

The following example shows how to set a CustomPopupPlacementCallback delegate.

C#
popup1.CustomPopupPlacementCallback =
    new CustomPopupPlacementCallback(placePopup);
C#
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;
}

Remarks

Dependency Property Information

Item Value
Identifier field CustomPopupPlacementCallbackProperty
Metadata properties set to true None

Applies to

Product Versions
.NET Framework 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop 3.0, 3.1, 5, 6, 7, 8, 9

See also