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TextBlock.GetPositionFromPoint Method

Returns a TextPointer to the position closest to a specified Point.

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

public TextPointer GetPositionFromPoint(
	Point point,
	bool snapToText
)
You cannot use methods in XAML.

Parameters

point
Type: System.Windows.Point

A Point in the coordinate space of the TextBlock for which to return a TextPointer.

snapToText
Type: System.Boolean

true to return a TextPointer to the insertion point closest to point, whether or not point is inside a character's bounding box; false to return null if point is not inside a character's bounding box.

Return Value

Type: System.Windows.Documents.TextPointer
A TextPointer to the specified point, or null if snapToText is false and the specified point does not fall within a character bounding box in the TextBlock content area.

ExceptionCondition
InvalidOperationException

Current, valid layout information for the control is unavailable.

This method always returns a valid TextPointer when snapToText is true.

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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