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

Definition

Namespace:

System.Collections.Concurrent

Assembly:

System.Collections.Concurrent.dll

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.