MQL5 RiferimentoLibreria StandardPannelli e DialoghiCWndClientCreateBack CreateOnEventColorBackgroundColorBorderBorderTypeVScrolledHScrolledCreateBackCreateScrollVCreateScrollHOnResizeOnVScrollShowOnVScrollHideOnHScrollShowOnHScrollHideOnScrollLineDownOnScrollLineUpOnScrollLineLeftOnScrollLineRightRebound CreateBack Crea bottone di sfondo del controllo. virtual bool CreateBack() Valore di ritorno true in caso di successo, altrimenti false. HScrolled CreateScrollV