Export (0) Print
Expand All

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
)

Parameters

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: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), 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.

Show:
© 2014 Microsoft