ConcurrentDictionary<TKey,TValue>.IDictionary.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 the specified key and value to the dictionary.

 virtual void System.Collections.IDictionary.Add(System::Object ^ key, System::Object ^ value) = System::Collections::IDictionary::Add;

void IDictionary.Add(object key, object value);

abstract member System.Collections.IDictionary.Add : obj * obj -> unit
override this.System.Collections.IDictionary.Add : obj * obj -> unit

Sub Add (key As Object, value As Object) Implements IDictionary.Add

Parameters

key: Object

The object to use as the key.

value: Object

The object to use as the value.

Implements

Add(Object, Object)

Exceptions

ArgumentNullException

key is null.

ArgumentException

key is of a type that is not assignable to the key type of the Dictionary<TKey,TValue>.

-or-

value is of a type that is not assignable to the type of values in the Dictionary<TKey,TValue>.

-or-

A value with the same key already exists in the Dictionary<TKey,TValue>.

OverflowException

The dictionary contains too many elements.

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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