[Lazarus] Dynamic creation of TTrackBar

[Brad Campbell]

Mattias Gaertner wrote:
> 
> Add unit comctrls to uses clauses.
> 
uses
   Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
   Menus, StdCtrls, ExtCtrls, ComCtrls, UnixSerial, BaseUnix, PortScan,
   DateUtils, Math;

Regards,
Brad
-- 
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