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Item Property

ConcurrentDictionary<TKey, TValue>.Item Property

.NET Framework 4.6 and 4.5

Gets or sets the value associated with the specified key.

Namespace:  System.Collections.Concurrent
Assemblies:   mscorlib (in mscorlib.dll)
  System.Collections.Concurrent (in System.Collections.Concurrent.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
IReadOnlyDictionary<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: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Portable Class Library

Supported in: Portable Class Library
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