class WEL_SCROLL_BAR Ancestors WEL_BAR* WEL_COLOR_CONTROL* WEL_SCROLL_BAR_CONSTANTS Descendants EV_SCROLL_BAR_IMP* Clients WEL_SCROLL_BAR Suppliers INTEGER_32 STRING_8 WEL_BAR* WEL_COLOR_REF WEL_SCROLL_BAR WEL_SCROLL_BAR_INFO