TouchHitTestRadius Property
Gets or sets the radius in pixels to determine whether a touch-point is over a data-point.
public double TouchHitTestRadius {get; set;}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also