ifclass JExtendedTabbedPane
  svoid setTab(JExtendedTabbedPane tabs, int iTab, Component c) {
    if (tabs != null) swing {
      if (iTab >= 0 && iTab < countTabs(tabs))
        tabs.setComponentAt(iTab, wrap(c));
    }
  }
endif

svoid setTab(JTabbedPane tabs, int iTab, Component c) {
  if (tabs != null) swing {
    if (iTab >= 0 && iTab < countTabs(tabs))
      tabs.setComponentAt(iTab, wrap(c));
  }
}