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