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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
)
You cannot use methods in XAML.

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.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0

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