_Track
BMenuItem* _Track(int* action, long start = -1);
BMenuItem* _Track(int32 *action, int32 startIndex = -1,
TrackData* trackData = _Track(readResponse, track);
TrackData* _Track(ReadResponseData& response,
BMenuItem* menuItem = _Track(&action);
BMenuItem* submenuItem = submenu->_Track(&submenuAction);
menuBar->_Track(&action, data.menuIndex, data.showMenu);
fChosenItem = submenu->_Track(&localAction);