![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart_IGroupingDefinition.png)
'宣言
Public Interface IGroupingDefinition Inherits GrapeCity.DataVisualization.Chart.IEquatable(Of IGroupingDefinition), IQueryInterface
public interface IGroupingDefinition : GrapeCity.DataVisualization.Chart.IEquatable<IGroupingDefinition>, IQueryInterface