![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__AnnotationOverlayItemView.png)
'宣言
Public MustInherit Class _AnnotationOverlayItemView Inherits GrapeCity.DataVisualization.Chart._BaseOverlayItemView(Of IAnnotationOverlayView) Implements IAnnotationOverlayItemView, IHoverView, IIdentityView, IModel, IOverlayItemModel, IOverlayItemView, IQueryInterface, IView, IViewModel
public abstract class _AnnotationOverlayItemView : GrapeCity.DataVisualization.Chart._BaseOverlayItemView<IAnnotationOverlayView>, IAnnotationOverlayItemView, IHoverView, IIdentityView, IModel, IOverlayItemModel, IOverlayItemView, IQueryInterface, IView, IViewModel
System.Object
GrapeCity.DataVisualization.Chart._BaseView<TOwnerView>
GrapeCity.DataVisualization.Chart._BaseOverlayItemView<TOwnerView>
GrapeCity.DataVisualization.Chart._AnnotationOverlayItemView
GrapeCity.DataVisualization.Chart._CartesianAnnotationOverlayItemView
GrapeCity.DataVisualization.Chart._TextPointAnnotationOverlayItemView