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ConcurrentDictionary<TKey,TValue>.ContainsKey(TKey) Method

Definition

Determines whether the ConcurrentDictionary<TKey,TValue> contains the specified key.

public:
 virtual bool ContainsKey(TKey key);
public bool ContainsKey (TKey key);
abstract member ContainsKey : 'Key -> bool
override this.ContainsKey : 'Key -> bool
Public Function ContainsKey (key As TKey) As Boolean

Parameters

key
TKey

The key to locate in the ConcurrentDictionary<TKey,TValue>.

Returns

true if the ConcurrentDictionary<TKey,TValue> contains an element with the specified key; otherwise, false.

Implements

Exceptions

key is null.

Applies to

See also