deferred class WEL_COMBO_BOX Ancestors WEL_COMBO_BOX_CONSTANTS WEL_CONTROL* Descendants EV_INTERNAL_COMBO_BOX_IMP WEL_COMBO_BOX_EX* WEL_DROP_DOWN_COMBO_BOX WEL_DROP_DOWN_LIST_COMBO_BOX WEL_SIMPLE_COMBO_BOX Clients EV_INTERNAL_COMBO_BOX_IMP WEL_COMBO_BOX* Suppliers BOOLEAN INTEGER_32 STRING_8 WEL_COMBO_BOX* WEL_RECT WEL_STRING WEL_WINDOW*