Contains 方法
Returns a Boolean that indicates whether the items in the collection can be accessed by using indexing without causing an exception.
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 ForEachItems
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, description, ID, or index of the ForEachItem object to find in the collection.
返回值
类型:System. . :: . .Boolean
true if the collection can be accessed by name, description, ID, or index using the syntax ForEachItems[index]. false if indexing cannot be used to retrieve items from the ForEachItems collection.
注释
If false, the property throws an exception.