MQL5 ReferenceStandard LibraryPanels and DialogsCScrollCreateInc CreateOnEventMinPosMaxPosCurrPosCreateBackCreateIncCreateDecCreateThumbOnClickIncOnClickDecOnShowOnHideOnChangePosOnThumbDragStartOnThumbDragProcessOnThumbDragEndCalcPos CreateInc Creates increment button of CScroll control. virtual bool CreateInc() Return Value true - successful, otherwise - false. CreateBack CreateDec