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ICollection.Contains Method

Determines whether the ICollection contains a specific value.

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

bool Contains (
	T item
)
boolean Contains (
	T item
)
function Contains (
	item : T
) : boolean
Not applicable.

Parameters

item

The object to locate in the ICollection.

Return Value

true if item is found in the ICollection; otherwise, false.

Implementations can vary in how they determine equality of objects; for example, List uses Comparer.Default, whereas Dictionary allows the user to specify the IComparer implementation to use for comparing keys.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

.NET Compact Framework

Supported in: 2.0

XNA Framework

Supported in: 1.0

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