System.Generics.Collections.TDictionary.TryGetValue

• Up to Parent: TDictionary

Delphi

function TryGetValue(const Key: K; var Value: V): Boolean;

C++

bool __fastcall TryGetValue(const K Key, V &Value);

Properties

Type	Visibility	Source	Unit	Parent
function	public	System.Generics.Collections.pas System.Generics.Collections.hpp	System.Generics.Collections	TDictionary

Description

Try to get value for key.

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

• ContainsKey