'宣言 Public Interface IGroupingBuilder (Of TKey,TGrouping As IGrouping(Of TKey))
'宣言
Public Interface IGroupingBuilder (Of TKey,TGrouping As IGrouping(Of TKey))
public interface IGroupingBuilder<TKey,TGrouping> where TGrouping: IGrouping<TKey>
IGroupingBuilder<TKey,TGrouping> メンバ GrapeCity.DataVisualization.Chart 名前空間