How to modify TList value?

Question

Delphi 2010 How to modify TList < record > value ?

type TTest = record a,b,c:Integer end;
var List:TList;
    A:TTest;
    P:Pointer;
....
..         


        

Answer 1

A := List[10];
A.a := 1;
list[10] := A;

You don't have to do this with objects because they're reference types, (accessed through a pointer which the compiler manages internally to keep it out of your hair,) but records are value types so it doesn't work that way.