Как вывести существующие объекты: линии и координаты линий?

unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, StdCtrls, Unit3, Unit2,unit5;
 
type
  TForm1 = class(TForm)
    Button1: TButton;
    Memo1: TMemo;
    Image1: TImage;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
  line1: TLine;
  line2: TLine;
  line3: TLine;
  line4: TLine;
  line5: TLine;
  line6: TLine;
  line7: TLine;
  Krug:Tcrug;
  ptyzmougolnik:Tpryzmougol;
  ptyzmougolnik2:Tpryzmougol;
  ptyzmougolnik3:Tpryzmougol;
implementation
 
{$R *.dfm}
 
procedure TForm1.FormCreate(Sender: TObject);
begin
krug:= Tcrug.Create(300,150,350,200);
ptyzmougolnik:=Tpryzmougol.Create(290,200,360,300);
line1:=TLine.Create(300,300,300,350);
line2:=TLine.Create(300,350,290,350);
line3:=TLine.Create(350,300,350,350);
line4:=TLine.Create(350,350,360,350);
line5:=TLine.Create(290,200,250,120);
line6:=TLine.Create(360,200,400,120);
line7:=TLine.Create(240,120,410,120);
ptyzmougolnik2:=Tpryzmougol.Create(220,110,240,130);
ptyzmougolnik3:=Tpryzmougol.Create(410,110,430,130);
 
 
end;
 
procedure TForm1.Button1Click(Sender: TObject);
begin
Krug.Move(Image1.Canvas);
ptyzmougolnik.Move(Image1.Canvas);
line1.Move(Image1.Canvas);
line2.Move(Image1.Canvas);
line3.Move(Image1.Canvas);
line4.Move(Image1.Canvas);
line5.Move(Image1.Canvas);
line6.Move(Image1.Canvas);
line7.Move(Image1.Canvas);
ptyzmougolnik2.Move(Image1.Canvas);
ptyzmougolnik3.Move(Image1.Canvas);
 
end;
 
end.

unit Unit2;
 
 
interface
uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,Unit4;
    type
    Tcrug=class(Tfigura)
    destructor Destroy;override;
    procedure Move(cansval:TCanvas);
    procedure write(a:TStrings);
  public
    constructor Create(a, b, c, d: integer);
 
    end;
implementation
 
{ crug }
 
constructor Tcrug.Create(a, b, c, d: integer);
begin
inherited Create(a,b,c,d);
 
end;
 
destructor Tcrug.Destroy;
begin
  inherited;
end;
 
 
procedure Tcrug.Move;
begin
cansval.Ellipse(x1,y1,x2,y2);
end;
 
 
 
procedure Tcrug.write(a:TStrings);
begin
a.Add(IntToStr(x1)+', '+IntToStr(y1)+', '+IntToStr(x2)+', '+IntToStr(y2));
end;
 
end.