Popup.CustomPopupPlacementCallback Property
.NET Framework 4
Gets or sets a delegate handler method that positions the Popup control.
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 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.