ConcurrentDictionary<TKey,TValue>.ContainsKey(TKey) Method  
Definition
Important
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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 -> boolPublic Function ContainsKey (key As TKey) As BooleanParameters
- 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.