ForEachEnumeratorHostClass.GetExpression 方法
此 API 支持 SQL Server 2012 基础结构，但不能通过代码直接使用。
Returns a String that contains the expression for the specified property. Null means no expression is assigned.
命名空间： Microsoft.SqlServer.Dts.Runtime.Wrapper
程序集： Microsoft.SqlServer.DTSRuntimeWrap（在 Microsoft.SqlServer.DTSRuntimeWrap.dll 中）
语法
声明
Public Overridable Function GetExpression ( _
bstrPropertyName As String _
) As String
用法
Dim instance As ForEachEnumeratorHostClass
Dim bstrPropertyName As String
Dim returnValue As String
returnValue = instance.GetExpression(bstrPropertyName)
public virtual string GetExpression(
string bstrPropertyName
)
public:
virtual String^ GetExpression(
[InAttribute] String^ bstrPropertyName
)
abstract GetExpression :
bstrPropertyName:string -> string
override GetExpression :
bstrPropertyName:string -> string
public function GetExpression(
bstrPropertyName : String
) : String
参数
- bstrPropertyName
类型：System.String
The name of the property whose expression you want to get.
返回值
类型：System.String
A String that contains the expression used to evaluate the property.
实现
IDTSPropertiesProvider100.GetExpression(String)