nativecomp.pas

Delphi 7组件与分布式应用开发源码,介绍了基础的组件应用实例

unit nativeComp;

interface

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

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

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.ProgressTimer(Sender: TObject);
begin
     TimeLabel.Caption:=timetostr(time);
     if ProgressBar1.Position<ProgressBar1.Max then
     begin
        ProgressBar1.StepIt;
     end
     else
        ProgressBar1.Position:=ProgressBar1.Min;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
     ProgressBar1.Position:=ProgressBar1.Min;
end;

end.