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: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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