unit Unit2; {$mode objfpc}{$H+}{$M+} interface uses Classes, SysUtils, Unit1, Graphics, TAGraph, TASeries, TALegend; type TStorage = class; Tcontroller = class; TStorage = class private FCon: TController; procedure SaveData(var css1,css2,css3,css4,css5,muvss,ivss,nuvss,Tnuss :real); property Con: Tcontroller read FCon write FCon; public procedure ConnectController(var aController: TController); end; Tcontroller = class private r:real; implementation end.