ConcurrentDictionary<TKey, TValue>.Item Property

Gets or sets the value associated with the specified key.

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

public TValue this[
	TKey key
] { get; set; }

Parameters

key
Type: TKey

The key of the value to get or set.

Property Value

Type: TValue
The value of the key/value pair at the specified index.

Implements

IDictionary<TKey, TValue>.Item

ExceptionCondition
ArgumentNullException

key is null.

KeyNotFoundException

The property is retrieved and key does not exist in the collection.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Windows Phone 8.1, 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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