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TextBlock.GetRectanglesCore Method

Returns a read-only collection of bounding rectangles for a specified ContentElement.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

protected virtual ReadOnlyCollection<Rect> GetRectanglesCore(
	ContentElement child
)

Parameters

child
Type: System.Windows.ContentElement

A ContentElement for which to generate and return a collection of bounding rectangles.

Return Value

Type: System.Collections.ObjectModel.ReadOnlyCollection<Rect>
A read-only collection of bounding rectangles for the specified ContentElement.

ExceptionCondition
ArgumentNullException

child is null.

Each bounding rectangle in the collection corresponds to a line of content in the ContentElement.

.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.

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