'宣言
Public Class _WaterfallConnectLineDefinition Inherits GrapeCity.DataVisualization.Chart._BaseOverlayDefinition(Of ILineStyleOption) Implements IOverlayDefinition, IQueryInterface, IWaterfallConnectLineDefinition
public class _WaterfallConnectLineDefinition : GrapeCity.DataVisualization.Chart._BaseOverlayDefinition<ILineStyleOption>, IOverlayDefinition, IQueryInterface, IWaterfallConnectLineDefinition