此 API 支持 SQL Server 2012 基础结构，但不能通过代码直接使用。
The AllAggregateFunctions.
命名空间： Microsoft.ReportingServices.RdlObjectModel
程序集： Microsoft.ReportingServices.Designer.Controls（在 Microsoft.ReportingServices.Designer.Controls.dll 中）
语法
声明
Public Shared ReadOnly AllAggregateFunctions As ReadOnlyCollection(Of String)
用法
Dim value As ReadOnlyCollection(Of String)
value = ReportExpression.Functions.AllAggregateFunctions
public static readonly ReadOnlyCollection<string> AllAggregateFunctions
public:
static initonly ReadOnlyCollection<String^>^ AllAggregateFunctions
static val AllAggregateFunctions: ReadOnlyCollection<string>
public static final var AllAggregateFunctions : ReadOnlyCollection<String>