'宣言
Public Class _NeedleOverlayOption Inherits _AnnotationOverlayOption Implements GrapeCity.DataVisualization.Chart.IOptionStrictMode, IAnnotationOverlayOption, IJsonOption, ILineOverlayOption, INeedleOverlayOption, IOption, IOverlayOption
public class _NeedleOverlayOption : _AnnotationOverlayOption, GrapeCity.DataVisualization.Chart.IOptionStrictMode, IAnnotationOverlayOption, IJsonOption, ILineOverlayOption, INeedleOverlayOption, IOption, IOverlayOption