BollingerBand Over Stretch indicator

//idea: mariom
using System;
using cAlgo.API;
using cAlgo.API.Collections;
using cAlgo.API.Indicators;
using cAlgo.API.Internals;

namespace cAlgo
{
    [Indicator(IsOverlay = true, AutoRescale = false, AccessRights = AccessRights.None)]
    public class mBBos : Indicator
    {
        [Parameter("BB Period", DefaultValue = 20)]
        public int inpPeriodBB { get; set; }
        [Parameter("BB StdDev", DefaultValue = 1.618)]
        public double inpStdDevBB { get; set; }
        [Parameter("BB Smooth Type", DefaultValue = MovingAverageType.Simple)]
        public MovingAverageType inpSmoothTypeBB { get; set; }
        [Parameter("Bar Color", DefaultValue = "Black")]
        public Color inpColor { get; set; }
        [Parameter("Show Bollinger Components (true)", DefaultValue = true)]
        public bool inpShowBollinger { get; set; }

        [Output("BB Top", LineColor = "Silver", PlotType = PlotType.DiscontinuousLine, Thickness = 1)]
        public IndicatorDataSeries outQMASMABBup { get; set; }
        [Output("BB Mid", LineColor = "Silver", PlotType = PlotType.DiscontinuousLine, Thickness = 1)]
        public IndicatorDataSeries outQMASMABBmid { get; set; }
        [Output("BB Bottom", LineColor = "Silver", PlotType = PlotType.DiscontinuousLine, Thickness = 1)]
        public IndicatorDataSeries outQMASMABBdn { get; set; }
        
        private BollingerBands _bbands;
                

        protected override void Initialize()
        {
            _bbands = Indicators.BollingerBands(Bars.ClosePrices, inpPeriodBB, inpStdDevBB, inpSmoothTypeBB);
        }

        public override void Calculate(int i)
        {
            if(Bars.LowPrices[i] < _bbands.Bottom[i] && Bars.ClosePrices[i] > Bars.OpenPrices[i])
                Chart.SetBarColor(i, inpColor);
            if(Bars.HighPrices[i] > _bbands.Top[i] && Bars.ClosePrices[i] < Bars.OpenPrices[i])
                Chart.SetBarColor(i, inpColor);
            
            if(inpShowBollinger)
            {
                outQMASMABBup[i] = _bbands.Top[i];
                outQMASMABBmid[i] = _bbands.Main[i];
                outQMASMABBdn[i] = _bbands.Bottom[i];
            }
        }
    }
}