unit1.pas

来自「Delphi7编程80例(完全版)」· PAS 代码 · 共 42 行

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    ScrollHint1: TScrollHint;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  if button1.Caption='开始' then
    begin
    button1.Caption:='停止';
    scrollhint1.BeginScroll;
    end
  else
    begin
    button1.Caption:='开始';
    scrollhint1.EndScroll;
    end;
end;

end.