ForEachItem.Contains 方法
Returns a Boolean that indicates whether the items in the collection can be accessed by using indexing.
命名空间： Microsoft.SqlServer.Dts.Runtime.Enumerators.Item
程序集： Microsoft.SqlServer.ManagedDTS（在 Microsoft.SqlServer.ManagedDTS.dll 中）
语法
声明
Public Function Contains ( _
index As Object _
) As Boolean
用法
Dim instance As ForEachItem
Dim index As Object
Dim returnValue As Boolean
returnValue = instance.Contains(index)
public bool Contains(
Object index
)
public:
bool Contains(
Object^ index
)
member Contains :
index:Object -> bool
public function Contains(
index : Object
) : boolean
参数
- index
类型：System.Object
The name, identity, ID, or index of the ForEachItemValue object to locate in the collection.
返回值
类型：System.Boolean
true if the collection can be accessed by name, identity, ID, or index using the syntax ForEachItem [index]. false if indexing cannot be used to retrieve items from the collection.
注释
If false, using the ForEachItem [index] syntax throws an exception.