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SynchronizedKeyedCollection<K, T>.Contains Method (K)

Returns a value that indicates whether the collection contains an item with a specified key.

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

public bool Contains(
	K key


Type: K
The key of type K being tested for.

Return Value

Type: System.Boolean
true if the collection contains an item with the key specified; otherwise, false.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.