unit1.pas

通过读取电脑内部的数据

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Timer1: TTimer;
    TimeLabel: TLabel;
    ProgressBar1: TProgressBar;
    procedure Button1Click(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  progressstart : bool;
implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  progressbar1.Position:=progressbar1.Min;
end;

procedure TForm1.Timer1Timer(Sender: TObject);
begin
  if progressstart =true then
    begin
      timelabel.Caption:=timetostr(time);
      if progressbar1.Position<progressbar1.Max then
      progressbar1.StepIt
      else
      progressbar1.Position:=progressbar1.Min;
    end
  else
    timelabel.Caption :=timelabel.Caption;
    progressbar1.Position:=progressbar1.Position;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  if button2.Caption ='开始' then
    begin
      progressstart := true;
      button2.Caption :='停止';
    end
  else
    begin
      progressstart := false;
      button2.Caption :='开始';
    end;
end;

end.