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TextBox.GetCharacterIndexFromPoint Method

Returns the zero-based index of the character that is closest to the specified point.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)
public int GetCharacterIndexFromPoint(
	Point point,
	bool snapToText
)

Parameters

point
Type: System.Windows.Point

A point in TextBox coordinate-space for which to return an index.

snapToText
Type: System.Boolean

true to return the nearest index if there is no character at the specified point; false to return –1 if there is no character at the specified point.

Return Value

Type: System.Int32
The index of the character that is closest to the specified point, or –1 if no valid index can be found.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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