deferred class WEL_LIST_BOX Ancestors WEL_COLOR_CONTROL* WEL_CONTROL* WEL_LBN_CONSTANTS WEL_LB_CONSTANTS Descendants WEL_MULTIPLE_SELECTION_LIST_BOX WEL_SINGLE_SELECTION_LIST_BOX Clients WEL_LIST_BOX* Suppliers ARRAY [G] BOOLEAN INTEGER_32 STRING_32 STRING_8 WEL_CLIENT_DC WEL_COLOR_REF WEL_LIST_BOX* WEL_STRING WEL_TEXT_METRIC WEL_WINDOW*