Array.IList.Contains Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Determines whether an element is in the Array.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
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 nulla 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
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
Silverlight
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0
XNA Framework
Supported in: Xbox 360, Windows Phone OS 7.0
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.