Popup.CustomPopupPlacementCallback Property
.NET Framework 4.5
[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]
Gets or sets a delegate handler method that positions the Popup control.
Namespace: System.Windows.Controls.Primitives
Assembly: PresentationFramework (in PresentationFramework.dll)
[BindableAttribute(false)] public CustomPopupPlacementCallback CustomPopupPlacementCallback { get; set; }
Property Value
Type: System.Windows.Controls.Primitives.CustomPopupPlacementCallbackThe CustomPopupPlacementCallback delegate method that provides placement information for the Popup control. The default is null.
The following example shows how to set a CustomPopupPlacementCallback delegate.
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; }
More Code
| How to: Specify a Custom Popup Position | This example shows how to specify a custom position for a Popup control when the Placement property is set to Custom. |
Windows 8 Consumer Preview, Windows Server 8 Beta, Windows 7, Windows Server 2008 SP2, Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.