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StrokeCollection.HitTest Method (Point)

Returns a collection of strokes that intersect the specified point.

Namespace:  System.Windows.Ink
Assembly:  PresentationCore (in PresentationCore.dll)

public StrokeCollection HitTest(
	Point point


Type: System.Windows.Point

The point to hit test.

Return Value

Type: System.Windows.Ink.StrokeCollection
A collection of Stroke objects that intersect the specified point.

The following example demonstrates how to get the strokes that intersect the specified Point. This example assumes that there is an InkPresenter called presenter.

// Change the color of all the strokes at the specified position. 
public void SelectStrokes(Point position)
    StrokeCollection selected = presenter.Strokes.HitTest(position, 5);

    foreach (Stroke s in selected)
        s.DrawingAttributes.Color = Colors.Purple;


.NET Framework

Supported in: 4.6, 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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