ICollection(KeyValuePair(TKey, TValue)).Contains Method

SortedDictionary(Of TKey, TValue).ICollection(Of KeyValuePair(Of TKey, TValue)).Contains Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Determines whether the ICollection(Of T) contains a specific key and value.

Namespace:  System.Collections.Generic
Assembly:  System (in System.dll)

'Declaration
Private Function Contains ( _
	keyValuePair As KeyValuePair(Of TKey, TValue) _
) As Boolean Implements ICollection(Of KeyValuePair(Of TKey, TValue)).Contains

Parameters

keyValuePair
Type: System.Collections.Generic.KeyValuePair(Of TKey, TValue)
The KeyValuePair(Of TKey, TValue) structure to locate in the ICollection(Of T).

Return Value

Type: System.Boolean
true if keyValuePair is found in the ICollection(Of T); otherwise, false.

Implements

ICollection(Of T).Contains(T)

This method determines equality by first using the Comparer property for the key and then using EqualityComparer(Of T).Default for the value.

This method is an O(log n) operation.

Windows Phone OS

Supported in: 8.1, 8.0

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