Instaliranje komponente, ali bez .pas fajla

Code:

  TTrackBar2 = class (TTrackBar)
  public
    property OnMouseUp;
    property OnMouseDown;
  end;

Code:
type
  TForm1 = class(TForm)
    Label1: TLabel;
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

  TMyTrackBar = class (TTrackBar)
    procedure MyTrackBarMouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
    procedure MyTrackBarMouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
  public
    property OnMouseUp;
    property OnMouseDown;
  end;

var
  Form1: TForm1;
  TrackBar1: TMyTrackBar;

implementation

{$R *.dfm}

procedure TMyTrackBar.MyTrackBarMouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
  Form1.Label1.Caption := IntToStr(TrackBar1.Position);
end;

procedure TMyTrackBar.MyTrackBarMouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
  Form1.Label1.Caption := IntToStr(TrackBar1.Position);
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  TrackBar1 := TMyTrackBar.Create(Form1);
  TrackBar1.Parent := Form1;
end;

procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  TrackBar1.Free;
end;

end.

Code:
TrackBar1.OnMouseDown := TMyTrackBar.MyTrackBarMouseDown;