ConcurrentDictionary<TKey,TValue>.ICollection<KeyValuePair<TKey,TValue>>.Add Method

Reference

Definition

Namespace:: System.Collections.Concurrent

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

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

Assembly:: System.Collections.Concurrent.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: ConcurrentDictionary.cs

Source:: ConcurrentDictionary.cs

Source:: ConcurrentDictionary.cs

Important

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Adds an item to the collection.

 virtual void System.Collections.Generic.ICollection<System.Collections.Generic.KeyValuePair<TKey,TValue>>.Add(System::Collections::Generic::KeyValuePair<TKey, TValue> keyValuePair) = System::Collections::Generic::ICollection<System::Collections::Generic::KeyValuePair<TKey, TValue>>::Add;

void ICollection<KeyValuePair<TKey,TValue>>.Add(System.Collections.Generic.KeyValuePair<TKey,TValue> keyValuePair);

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

Sub Add (keyValuePair As KeyValuePair(Of TKey, TValue)) Implements ICollection(Of KeyValuePair(Of TKey, TValue)).Add

Parameters

keyValuePair: KeyValuePair<TKey,TValue>

The KeyValuePair<TKey,TValue> to add to the dictionary.

Implements

Add(T)

Exceptions

ArgumentNullException

The Key of keyValuePair is null.

OverflowException

The Dictionary<TKey,TValue> contains too many elements.

ArgumentException

An element with the same key already exists in the Dictionary<TKey,TValue>.

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	4.0, 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	1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1
UWP	10.0

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