'宣言
Public Class _ExcelWaterfallConnectingLineOverlayItemView Inherits _WaterfallConnectLineOverlayItemView Implements ICartesianOverlayItemView, IHoverView, IIdentityView, IModel, IOverlayItemModel, IOverlayItemView, IQueryInterface, IView, IViewModel
public class _ExcelWaterfallConnectingLineOverlayItemView : _WaterfallConnectLineOverlayItemView, ICartesianOverlayItemView, IHoverView, IIdentityView, IModel, IOverlayItemModel, IOverlayItemView, IQueryInterface, IView, IViewModel