deferred class EV_SPLIT_AREA Ancestors EV_CONTAINER* Descendants EV_HORIZONTAL_SPLIT_AREA EV_VERTICAL_SPLIT_AREA Clients EV_SPLIT_AREA* EV_SPLIT_AREA_IMP* MULTIPLE_SPLIT_AREA Suppliers BOOLEAN EV_SPLIT_AREA* EV_SPLIT_AREA_I* EV_WIDGET* INTEGER_32 REAL_32