ReadOnlyDictionary<TKey,TValue>.Item[TKey] Property

Reference

Definition

Namespace:: System.Collections.ObjectModel

Assemblies:: mscorlib.dll, System.ObjectModel.dll

Assemblies:: netstandard.dll, System.Runtime.dll

Assemblies:: netstandard.dll, System.ObjectModel.dll

Assembly:: System.ObjectModel.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: ReadOnlyDictionary.cs

Source:: ReadOnlyDictionary.cs

Source:: ReadOnlyDictionary.cs

Important

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Gets the element that has the specified key.

public:
 property TValue default[TKey] { TValue get(TKey key); };

public TValue this[TKey key] { get; }

member this.Item('Key) : 'Value

Default Public ReadOnly Property Item(key As TKey) As TValue

Parameters

key: TKey

The key of the element to get.

Property Value

TValue

The element that has the specified key.

Implements

Item[TKey]

Exceptions

ArgumentNullException

key is null.

KeyNotFoundException

The property is retrieved and key is not found.

Applies to

Продукт	Версии
.NET	Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1
UWP	10.0

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