// Reading the parameters
            double shift = IndParam.NumParam[0].Value*Point;
            var shift1 = (int)IndParam.NumParam[1].Value;
            int firstBar = 1 + shift1;

            // Calculation
            var adTopPrice = new double[Bars];
            var adBottomPrice = new double[Bars];

            adTopPrice[0] = 0;
            adBottomPrice[0] = 0;

            double dTop = double.MinValue;
            double dBottom = double.MaxValue;

            for (int bar = 1; bar < Bars - shift1; bar++)
            {
                if (High[bar - 1] > dTop)
                    dTop = High[bar - 1];
                if (Low[bar - 1] < dBottom)
                    dBottom = Low[bar - 1];

                if (IsPeriodChanged(bar + shift1))
                {
                    adTopPrice[bar + shift1] = dTop;
                    adBottomPrice[bar + shift1] = dBottom;
                    dTop = double.MinValue;
                    dBottom = double.MaxValue;
                }
                else
                {
                    adTopPrice[bar + shift1] = adTopPrice[bar - 1];
                    adBottomPrice[bar + shift1] = adBottomPrice[bar - 1];
                }
            }

            var adUpperBand = new double[Bars];
            var adLowerBand = new double[Bars];
            for (int bar = firstBar; bar < Bars; bar++)
            {
                adUpperBand[bar] = adTopPrice[bar];
                adLowerBand[bar] = adBottomPrice[bar];
            }