RAD Studio VCL Reference
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TDictionary.TryGetValue Method
TDictionary Class | TDictionary Members | Generics.Collections Namespace | Description | See Also
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Try to get value for key.

Pascal
function TryGetValue(const Key: TKey; out Value: TValue): Boolean;
C++
__fastcall Boolean TryGetValue(const TKey Key, TValue Value);
Description

TryGetValue returns true if the given key is in the dictionary and provides its value in Value. Otherwise, it returns false and Value is set to the default value type of TValue. No exception is raised if the key is not in the dictionary. This is an O(1) operation. 

 

See Also
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