MQL5 ReferenceStandard LibraryPanels and DialogsCScrollCalcPos CreateOnEventMinPosMaxPosCurrPosCreateBackCreateIncCreateDecCreateThumbOnClickIncOnClickDecOnShowOnHideOnChangePosOnThumbDragStartOnThumbDragProcessOnThumbDragEndCalcPos CalcPos Gets the control scroll bar position by coordinate. virtual int CalcPos( const int coord // coordinate ) Parameters coord [in] Scroll bar coordinate. Return Value Scroll bar position. OnThumbDragEnd CScrollV