ILookup<TKey, TElement>.Contains Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Determines whether a specified key exists in the ILookup<TKey, TElement>.
Namespace: System.Linq
Assembly: System.Core (in System.Core.dll)
Syntax
'Declaration
Function Contains ( _
key As TKey _
) As Boolean
bool Contains(
TKey key
)
Parameters
- key
Type: TKey
The key to search for in the ILookup<TKey, TElement>.
Return Value
Type: System.Boolean
true if key is in the ILookup<TKey, TElement>; otherwise, false.
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.