PRAKTIKUM BSI DELPHI 7 II

Coding Timernya <><><><><><><>


unit latihan2;

interface

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

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Timer1: TTimer;
    Button1: TButton;
    procedure FormCreate(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  awal, akhir : TDateTime;
  lama : real;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
Timer1.Interval:=1;
end;

procedure TForm1.Timer1Timer(Sender: TObject);
var
Slama : string;
begin
if Button1.Caption='Stop' then
begin
akhir := Time;
Edit2.Text:=TimeToStr(akhir);
lama := (akhir-awal)*100000;
Str(lama:12:2,Slama);
Edit3.Text:=Slama;
end
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
if Button1.Caption='Start' then
begin
awal := Time;
Edit1.Text:=TimeToStr(Time);
Button1.Caption:='Stop';
end
else if Button1.Caption='Stop' then
begin
Button1.Caption:='Selesai'
end
else
Application.Terminate;
end;

end.




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