unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    ScrollListbox1: TScrollListbox;
    Button1: TButton;
    up: TButton;
    down: TButton;
    Button2: TButton;
    Memo1: TMemo;
    scrolltoend: TButton;
    procedure Button1Click(Sender: TObject);
    procedure upClick(Sender: TObject);
    procedure downClick(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure ScrollListbox1Click(Sender: TObject);
    procedure ScrollListbox1Reachedend;
    procedure scrolltoendClick(Sender: TObject);
    procedure ScrollListbox1Reachedtop;
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
var
n : integer;
begin
scrolllistbox1.clear;
for n:=0 to 25 do begin
scrolllistbox1.items.add('smurf'+inttostr(n));
end;

scrolllistbox1.refresh;
end;

procedure TForm1.upClick(Sender: TObject);
begin
scrolllistbox1.scrollup;
end;

procedure TForm1.downClick(Sender: TObject);
begin
scrolllistbox1.scrolldown;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
memo1.lines.add(inttostr(scrolllistbox1.itemindex));
end;


procedure TForm1.ScrollListbox1Click(Sender: TObject);
begin
beep;
end;

procedure TForm1.ScrollListbox1Reachedend;
begin
beep;
end;

procedure TForm1.scrolltoendClick(Sender: TObject);
begin
scrolllistbox1.scrolltoend;
end;

procedure TForm1.ScrollListbox1Reachedtop;
begin
beep;
end;

end.