Determines whether an index with the specified key selector exists in the collection.

Namespace:  C1.LiveLinq.Indexing
Assembly:  C1.LiveLinq (in C1.LiveLinq.dll)

Syntax

C#
public bool Contains<TKey>(
	Expression<Func<T, TKey>> keySelector
)
Visual Basic
Public Function Contains(Of TKey) ( _
	keySelector As Expression(Of Func(Of T, TKey)) _
) As Boolean

Parameters

keySelector
Type: System.Linq.Expressions..::..Expression<(Of <(<'Func<(Of <(<'T, TKey>)>)>>)>)>
Key selector expression of an index, see KeySelector.

Type Parameters

TKey
The type of the index key.

Return Value

true if an index with the specified key selector is found in the collection; otherwise, false.

See Also