![](dotnetdiagramimages/MESCIUS_ActiveReports_Chart_GrapeCity_ActiveReports_Chart_ItemComponent.png)
'宣言
Public MustInherit Class ItemComponent Inherits Item Implements IGraphItem, IGraphXmlSerializable, INamedComponent
public abstract class ItemComponent : Item, IGraphItem, IGraphXmlSerializable, INamedComponent
System.Object
GrapeCity.ActiveReports.Chart.Item
GrapeCity.ActiveReports.Chart.ItemComponent
GrapeCity.ActiveReports.Chart.AxisScroll
GrapeCity.ActiveReports.Chart.LegendItem