'宣言
Public Class _LineAnnotationDefinition Inherits GrapeCity.DataVisualization.Chart._BaseAnnotationOverlayDefinition(Of ILineOverlayOption) Implements IAnnotationOverlayDefinition, ILegendOverlayDefinition, ILineAnnotationDefinition, IOverlayDefinition, IQueryInterface
public class _LineAnnotationDefinition : GrapeCity.DataVisualization.Chart._BaseAnnotationOverlayDefinition<ILineOverlayOption>, IAnnotationOverlayDefinition, ILegendOverlayDefinition, ILineAnnotationDefinition, IOverlayDefinition, IQueryInterface