'宣言
Public Class _EmptyLegendDefinition Inherits _LegendEncodingDefinition Implements GrapeCity.DataVisualization.Chart.IEquatable(Of ILegendDefinition), ILegendDefinition, IQueryInterface
public class _EmptyLegendDefinition : _LegendEncodingDefinition, GrapeCity.DataVisualization.Chart.IEquatable<ILegendDefinition>, ILegendDefinition, IQueryInterface