Forex_Strategy_Builder.Small_Indicator_Chart.HscrllbInstrChart_ValueChanged C# (CSharp) Метод

        void HscrllbInstrChart_ValueChanged(object sender, EventArgs e)
        {
            if (!isValueChangedAktive) return;

            firstBar = scrollBar.Value;
            lastBar  = Math.Max(firstBar + chartBars - 1, firstBar);

            this.SetUpChart();
            Rectangle rect = new Rectangle(xLeft + 1, yTop, xRight - xLeft, yBottom - yTop);
            this.Invalidate(rect);
        }