'宣言
Public Class _MultiFunctionalDataLabelDefinition Inherits GrapeCity.DataVisualization.Chart._BaseDataLabelDefinition(Of IMultiFunctionalDataLabelOption) Implements IDataLabelDefinition, IOverlayDefinition, IQueryInterface
public class _MultiFunctionalDataLabelDefinition : GrapeCity.DataVisualization.Chart._BaseDataLabelDefinition<IMultiFunctionalDataLabelOption>, IDataLabelDefinition, IOverlayDefinition, IQueryInterface