'宣言
Public Class _SortDefinitionEqualityComparer Inherits GrapeCity.DataVisualization.Chart._ObjectEqualityComparer(Of ISortDefinition) Implements GrapeCity.DataVisualization.Chart.IEqualityComparer(Of ISortDefinition)
public class _SortDefinitionEqualityComparer : GrapeCity.DataVisualization.Chart._ObjectEqualityComparer<ISortDefinition>, GrapeCity.DataVisualization.Chart.IEqualityComparer<ISortDefinition>