... LV_VIEW_LIST, 0) but in this case " you must provide a manifest specifying Comctl32.dll version 6.0 ". Regards, Antonino PS. theoretically you can do: @ 8,10 button obtn[3] prompt "Big" SIZE 35,10 action SetWindowLong( oList:hWnd, -16, nOR( WS_CHILD, ...