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SynchronizedCollection<T>.Contains Method

Determines whether the collection contains an element with a specific value.

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

public bool Contains(
	T item


Type: T

The object to locate in the collection.

Return Value

Type: System.Boolean
true if the element value is found in the collection; otherwise false.




The value set is null or is not of the correct generic type T for the collection.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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