ConcurrentDictionary<TKey,TValue>.AlternateLookup<TAlternateKey>.TryAdd Method

Reference

Definition

Namespace:: System.Collections.Concurrent

Assembly:: System.Collections.Concurrent.dll

Important

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Attempts to add the specified key and value to the dictionary.

public:
 bool TryAdd(TAlternateKey key, TValue value);

public bool TryAdd (TAlternateKey key, TValue value);

member this.TryAdd : 'AlternateKey * 'Value -> bool

Public Function TryAdd (key As TAlternateKey, value As TValue) As Boolean

Parameters

key: TAlternateKey

The alternate key of the element to add.

value: TValue

The value of the element to add.

Returns

Boolean

true if the key/value pair was added to the dictionary successfully; otherwise, false.

Exceptions

ArgumentNullException

key is null.

Applies to

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