MQL5 ReferenceStandard LibraryPanels and DialogsCScrollCreateBack CreateOnEventMinPosMaxPosCurrPosCreateBackCreateIncCreateDecCreateThumbOnClickIncOnClickDecOnShowOnHideOnChangePosOnThumbDragStartOnThumbDragProcessOnThumbDragEndCalcPos CreateBack Creates background button of the CScroll control. virtual bool CreateBack() Return Value true - successful, otherwise - false. CurrPos CreateInc