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Contains 方法

Returns a Boolean that indicates whether the items in the collection can be accessed by using indexing.

命名空間：  Microsoft.SqlServer.Dts.Runtime.Enumerators.Item
組件：  Microsoft.SqlServer.ManagedDTS (在 Microsoft.SqlServer.ManagedDTS.dll 中)

語法

'宣告
Public Function Contains ( _
    index As Object _
) As Boolean
'用途
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

參數

傳回值

型別：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.

備註

If false, using the ForEachItem [index] syntax throws an exception.