Scheme_Object*
spark_fltk_group::init_sizes(int argc, Scheme_Object** argv)
{
  DEFAULT_RET_INIT;

  Fl_Group* group = _get_fl_group(argc, argv, 0);
  if (group)
    {
      group->init_sizes();
      _ret_ = scheme_true;
    }

  DEFAULT_RET_FINISH;
}