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VisualTreeHelper.GetDescendantBounds Method (Visual)

Returns the union of all the content bounding boxes for all the descendants of the Visual, which includes the content bounding box of the Visual.

Namespace:  System.Windows.Media
Assembly:  PresentationCore (in PresentationCore.dll)

public static Rect GetDescendantBounds(
	Visual reference


Type: System.Windows.Media.Visual
The Visual whose bounding box value for all descendants is computed.

Return Value

Type: System.Windows.Rect
The bounding box rectangle for the specified Visual.

Call the GetContentBounds method to return the cached bounding box rectangle for a Visual.

The following example shows how to retrieve the union of bounding rectangles for the descendants of a Visual.

// Return the bounding rectangle of the parent visual object and all of its descendants.
Rect rectBounds = VisualTreeHelper.GetDescendantBounds(parentVisual);

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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.