Array.IList.Contains Method
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Determines whether an element is in the Array.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Syntax
Private Function Contains ( _
value As Object _
) As Boolean Implements IList.Contains
bool IList.Contains(
Object value
)
Parameters
- value
Type: System..::.Object
The object to locate in the Array. The element to locate can be nullNothingnullptra null reference (Nothing in Visual Basic) for reference types.
Return Value
Type: System..::.Boolean
true if value is found in the Array; otherwise, false.
Implements
Exceptions
| Exception | Condition |
|---|---|
| RankException | The current Array is multidimensional. |
Remarks
This method performs a linear search; therefore, this method is an O(n) operation, where n is ICollection..::.Count.
This method determines equality by calling the Object..::.Equals method.
This method is an O(n) operation, where n is Length.
Version Information
Windows Phone OS
Supported in: 8.1, 8.0, 7.1, 7.0
Platforms
Windows Phone