通过

ExpressionEvaluatorClass.Evaluate Method

  • 项目

This method supports the SQL Server 2005 infrastructure and is not intended to be used directly from your code.

命名空间: Microsoft.SqlServer.Dts.Runtime.Wrapper
程序集: Microsoft.SqlServer.DTSRuntimeWrap (in microsoft.sqlserver.dtsruntimewrap.dll)

语法

声明
<DispIdAttribute(2)> _
Public Overridable Sub Evaluate ( _
    <InAttribute> pVariableDispenser As IDTSVariableDispenser90, _
    <OutAttribute> ByRef pvResult As Object, _
    <InAttribute> vbSetVariable As Boolean _
) Implements IDTSExpressionEvaluator90.Evaluate

[DispIdAttribute(2)] 
public virtual void IDTSExpressionEvaluator90.Evaluate (
    [InAttribute] IDTSVariableDispenser90 pVariableDispenser,
    out Object pvResult,
    [InAttribute] bool vbSetVariable
)

[DispIdAttribute(2)] 
public:
virtual void Evaluate (
    [InAttribute] IDTSVariableDispenser90^ pVariableDispenser, 
    [OutAttribute] Object^% pvResult, 
    [InAttribute] bool vbSetVariable
) = IDTSExpressionEvaluator90::Evaluate

J# 支持显式接口实现的使用，但不支持新接口实现的声明。

JScript 不支持由引用传递值类型参数。

参数

  • pVariableDispenser
  • pvResult
  • vbSetVariable

线程安全

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

平台

开发平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

目标平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

请参阅

参考

ExpressionEvaluatorClass Class
ExpressionEvaluatorClass Members
Microsoft.SqlServer.Dts.Runtime.Wrapper Namespace