horizontal slices/lines when TargetAxis is set to Y-axis
vertical slices/lines when TargetAxis is set to X-axis
'Declaration Public Class DataAnnotationSliceLayer Inherits DataAnnotationShapeLayer
public class DataAnnotationSliceLayer : DataAnnotationShapeLayer
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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