deferred class EV_SCROLL_BAR_IMP Ancestors EV_GAUGE_IMP* EV_SCROLL_BAR_I* WEL_SCROLL_BAR Descendants EV_HORIZONTAL_SCROLL_BAR_IMP EV_VERTICAL_SCROLL_BAR_IMP Clients EV_SCROLL_BAR_IMP* Suppliers ACTIVE_INTEGER_INTERVAL EV_SCROLL_BAR_IMP* INTEGER_32 WEL_COLOR_REF WEL_SCROLL_BAR_INFO