Quote

> Since upgrading to Delphi 5 from 4.03, I am getting access violation
errors
> when passing TStringList's as Var parameters within a package, when
invoked
> from outside of the package by another application built using all
packages
> via another package (asking for trouble?). All worked fine before upgrade.
> I'm desperate, any ideas please?

> type
>     TErrorExample = class(TObject)
>     private
>         MyStringList1: TStringList;
>         MyStringList2: TStringList;
>         procedure DoThisThing(var ThisStringList: TStringList);
>     public
>         procedure DoSomething(WhatToDo: integer);
>         constructor Create etc. creates the 2 TStringLists ok
>         destructor Destroy etc. destroys the 2 TStringLists ok
>     end;

>     procedure TErrorExample.DoThisThing(var ThisStringList: TStringList);
>     begin
>         ThisStringList.Add('hello'); // kaboom ! error in Vcl50.dpl
>     end;

>     procedure TErrorExample.DoSomething(WhatToDo: integer);
>     begin
>         if WhatToDo = 1 then
>             DoThisThing(MyStringList1)
>         else
>             DoThisThing(MyStringList2);
>     end;

> --
> Steve
> http://www.geocities.com/SiliconValley/Sector/6376