ToolTipService.PlacementRectangle Attached Property
Gets or sets the rectangular area relative to which the tooltip is positioned.
Assembly: PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation
Metadata properties set to true
The PlacementRectangle property specifies a Rect structure relative to which the ToolTip control is positioned when it opens. If PlacementTarget is not a null reference (Nothing in Visual Basic), the Rect structure is defined relative to the PlacementTarget object. Otherwise, the specified Rect structure is defined relative to the upper-left corner of the screen.