'宣言 Public Class NullableDecimalAverageAggregator Inherits Infragistics.Olap.AverageAggregator(Of Nullable(Of Decimal)) Implements IAggregator, Infragistics.Olap.IAggregator(Of Nullable(Of Decimal),AverageValue(Of Nullable(Of Decimal)),Nullable(Of Decimal))
public class NullableDecimalAverageAggregator : Infragistics.Olap.AverageAggregator<Nullable<decimal>>, IAggregator, Infragistics.Olap.IAggregator<Nullable<decimal>,AverageValue<Nullable<decimal>>,Nullable<decimal>>