class WEL_WINDOW_POS Ancestors WEL_HWND_CONSTANTS WEL_STRUCTURE* WEL_WINDOWS_ROUTINES Clients EV_WINDOW_IMP WEL_COMPOSITE_WINDOW* WEL_HD_LAYOUT WEL_HEADER_CONTROL WEL_WINDOW_POS WEL_WINDOW_POSITION_MESSAGE Suppliers INTEGER_32 WEL_WINDOW* WEL_WINDOW_POS