Smoothed High And Low Overlay

using System;
using cAlgo.API;
using cAlgo.API.Internals;
using cAlgo.API.Indicators;
using cAlgo.Indicators;

namespace cAlgo
{
    [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class SmoothedHighAndLowOverlay : Indicator
    {
        [Parameter("Periods", DefaultValue = 20)]
        public int Periods { get; set; }

        [Output("Result1", LineColor = "Red")]
        public IndicatorDataSeries Result1 { get; set; }

        [Output("Result2", LineColor = "Green")]
        public IndicatorDataSeries Result2 { get; set; }

        private double max, min;

        protected override void Initialize()
        {
        }

        public override void Calculate(int index)
        {

            max = 0;
            min = 0;
            for (int i = 1; i <= Periods; i++)
            {
                max += Bars.HighPrices.Maximum(i);
                min += Bars.LowPrices.Minimum(i);
            }
            max = max / Periods;
            min = min / Periods;

            Result1[index] = max;
            Result2[index] = min;
        }
    }
}