unit testform;

interface

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

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

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin

cb.top:=100;
cb.left:=100;
cb.width:=20;
cb.color:=clblack;
 cb.caption:='Hello World';
cb.font.color:=clwhite;

end;

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

end.