Spring.Base Spring.Collections.Dictionaries TBidiDictionary<TKey,TValue> TKeyCollection Contains TBidiDictionary<TKey,TValue>.TKeyCollection.Contains Method On this page Overloads Contains(TKey) Unit: Spring.Collections.Dictionaries Package: Spring.Base Overloads Contains(TKey) Contains(TKey) Delphi Copy function Contains(const value: TKey): Boolean Parameters value TKey Returns Boolean