ReadOnlyDictionary<TKey,TValue>.IDictionary<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.

property TValue System::Collections::Generic::IDictionary<TKey,TValue>::Item[TKey] { TValue get(TKey key); void set(TKey key, TValue value); };

TValue System.Collections.Generic.IDictionary<TKey,TValue>.Item[TKey key] { get; set; }

member this.System.Collections.Generic.IDictionary<TKey,TValue>.Item('Key) : 'Value with get, set

 Property Item(key As TKey) As TValue Implements IDictionary(Of TKey, TValue).Item

Parameters

key: TKey

The key of the element to get or set.

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.

NotSupportedException

The property is set.

Applies to

Product	Versions
.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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