class WEL_REGION Ancestors WEL_GDI_ANY Descendants EV_REGION_IMP Clients EV_DRAWABLE_IMP* EV_FIXED_IMP EV_LIST_IMP EV_PIXMAP_IMP_WIDGET WEL_DC* WEL_REGION WEL_TAB_CONTROL WEL_WINDOW* Suppliers ARRAY [G] BOOLEAN INTEGER_32 WEL_INTEGER_ARRAY WEL_RECT WEL_REGION