ICollection(Of T).Contains Method (T)

 

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

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

Function Contains (
	item As T
) As Boolean

Parameters

item
Type: T

The object to locate in the ICollection(Of T).

Return Value

Type: System.Boolean

true if item is found in the ICollection(Of T); otherwise, false.

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

Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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