Dictionary<TKey,TValue>.ValueCollection.ICollection<TValue>.Add Method

Reference

Definition

Namespace:: System.Collections.Generic

Assemblies:: mscorlib.dll, System.Collections.dll

Assemblies:: netstandard.dll, System.Collections.dll

Assembly:: System.Collections.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: Dictionary.cs

Source:: Dictionary.cs

Source:: Dictionary.cs

Important

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Adds an item to the ICollection<T>. This implementation always throws NotSupportedException.

 virtual void System.Collections.Generic.ICollection<TValue>.Add(TValue item) = System::Collections::Generic::ICollection<TValue>::Add;

void ICollection<TValue>.Add(TValue item);

abstract member System.Collections.Generic.ICollection<TValue>.Add : 'Value -> unit
override this.System.Collections.Generic.ICollection<TValue>.Add : 'Value -> unit

Sub Add (item As TValue) Implements ICollection(Of TValue).Add

Parameters

item: TValue

The object to add to the ICollection<T>.

Implements

Add(T)

Exceptions

NotSupportedException

Always thrown.

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	2.0, 3.0, 3.5, 4.0, 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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