FilteredObservableCollection<T>.Contains Method (T)
Determines whether the collection contains the specified item.
Namespace: Microsoft.VisualStudio.Language.Intellisense
Assembly: Microsoft.VisualStudio.Language.Intellisense (in Microsoft.VisualStudio.Language.Intellisense.dll)
Syntax
'宣言
Public Function Contains ( _
item As T _
) As Boolean
public bool Contains(
T item
)
public:
virtual bool Contains(
T item
) sealed
abstract Contains :
item:'T -> bool
override Contains :
item:'T -> bool
public final function Contains(
item : T
) : boolean
Parameters
- item
Type: T
The item.
Return Value
Type: System.Boolean
true if the item is in the collection, otherwise false.
Implements
Remarks
If the collection has a filter, this method queries the collection, otherwise it queries the underlying list.
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.