procedure TForm1.FormCreate(Sender: TObject);

begin

  if AddFontResource('ogilvie_c.ttf')<>0 Then 

    SendMessage($FFFF, wm_FontChange, 0, 0);

end;

procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);

begin

  if RemoveFontResource('ogilvie_c.ttf') Then 

    SendMessage($FFFF, wm_FontChange, 0, 0);

end;