class WEL_CONTROL_WINDOW Ancestors WEL_FRAME_WINDOW Descendants EV_INTERNAL_TOOL_BAR_IMP EV_SPIN_BUTTON_IMP EV_WEL_CONTROL_CONTAINER_IMP* EV_WEL_CONTROL_WINDOW* WEL_UNPOSITIONABLE_CONTROL_CONTAINER Clients EV_SPIN_BUTTON_IMP WEL_CONTROL_WINDOW WEL_TAB_CONTROL_ITEM Suppliers BOOLEAN INTEGER_32 STRING_8 WEL_BRUSH WEL_CONTROL_WINDOW WEL_FONT WEL_SHARED_FONTS WEL_WINDOW*