'宣言 Public Class NullableInt32AverageAggregator Inherits Infragistics.Olap.AverageAggregator(Of Nullable(Of Integer)) Implements IAggregator, Infragistics.Olap.IAggregator(Of Nullable(Of Decimal),AverageValue(Of Nullable(Of Integer)),Nullable(Of Integer))
public class NullableInt32AverageAggregator : Infragistics.Olap.AverageAggregator<Nullable<int>>, IAggregator, Infragistics.Olap.IAggregator<Nullable<decimal>,AverageValue<Nullable<int>>,Nullable<int>>