class WEL_NM_COMBO_BOX_EX Ancestors WEL_STRUCTURE* Clients WEL_COMBO_BOX_EX* WEL_NM_COMBO_BOX_EX Suppliers INTEGER_32 WEL_COMBO_BOX_EX* WEL_COMBO_BOX_EX_ITEM WEL_NMHDR WEL_NM_COMBO_BOX_EX