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uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls, MMSystem;




......

var
  Form1: TForm1;
  mmResult: Integer;


implementation

{$R *.dfm}


procedure TimeCallBack(TimerID, Msg: Uint; dwUser, dw1, dw2: DWORD); pascal;
begin
  Form1.Label2.Caption:=IntToStr(StrToInt(Form1.Label2.Caption)-1);
  if Form1.Label2.Caption='0' then Form1.nilms;
end;


procedure TForm1.nilms;
begin
  if Label1.Caption='0' then Form1.nils;
  Label1.Caption:=inttostr(strtoint(Label1.Caption)-1);
  Label2.Caption:='1000';
end;


procedure TForm1.nils;
begin
  if Label4.Caption='0' then Form1.nilmin;
  Label4.Caption:=inttostr(strtoint(Label4.Caption)-1);
  Label1.Caption:='60';
end;


procedure TForm1.nilmin;
begin
  if (Label5.Caption='0') then
  begin
    TimeKillEvent(mmResult);

    Label1.Caption:='0';
    Label2.Caption:='0';
    Label4.Caption:='0';
    Label5.Caption:='0';
  end
  else
  begin
    Label5.Caption:=inttostr(strtoint(Label5.Caption)-1);
    Label4.Caption:='60';
  end;
end;


procedure TForm1.Button1Click(Sender: TObject);
begin
  mmResult := TimeSetEvent(1, 0, @TimeCallBack, 0, TIME_PERIODIC);
end;


procedure TForm1.FormCreate(Sender: TObject);
begin
  Label1.Caption:='0';
  Label2.Caption:='0';
  Label4.Caption:='0';
  Label5.Caption:='0';
end;

procedure TForm1.FormResize(Sender: TObject);
begin
  Panel1.Height:=Form1.Height;
  Panel1.Width:=Form1.Width;



  Label1.Top:=round(Panel1.Height/2)-175;
  Label1.Left:=round(Panel1.Width/2)+130;

  Label2.Top:=round(Panel1.Height/2)-108;
  Label2.Left:=round(Panel1.Width/2)+430;

  Label4.Top:=round(Panel1.Height/2)-130;
  Label4.Left:=round(Panel1.Width/2)-250;

  Label5.Top:=round(Panel1.Height/2)-130;
  Label5.Left:=round(Panel1.Width/2)-550;

  doppelpunkt1.Top:=round(Panel1.Height/2)-110;
  doppelpunkt1.Left:=round(Panel1.Width/2)+350;

  doppelpunkt2.Top:=round(Panel1.Height/2)-95;
  doppelpunkt2.Left:=round(Panel1.Width/2)-100;

  doppelpunkt3.Top:=round(Panel1.Height/2)-95;
  doppelpunkt3.Left:=round(Panel1.Width/2)-400;



  stunden.Top:=round(Panel1.Height/2)-150;
  stunden.Left:=round(Panel1.Width/2)-540;

  minuten.Top:=round(Panel1.Height/2)-150;
  minuten.Left:=round(Panel1.Width/2)-280;

  sekunden.Top:=round(Panel1.Height/2)-150;
  sekunden.Left:=round(Panel1.Width/2)+80;

  millisekunden.Top:=round(Panel1.Height/2)-150;
  millisekunden.Left:=round(Panel1.Width/2)+380;
end;