How to draw previous day High and Low in the history

I have an indicator, I am able to draw previous day High a Low on today chart only. I need to draw it on the days in the history too. 
 

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 PreviousHL : Indicator
    {
        [Parameter("Length", DefaultValue = 200)]
        public int length { get; set; }

        [Parameter("LookBack", DefaultValue = 1)]
        public int lback { get; set; }

        [Parameter("No trading zone", DefaultValue = 0.3 )]
        public double offset { get; set; }
        
        [Parameter("Daily Close", Group = "Colors", DefaultValue = "Green")]
        public Color wc { get; set; }

        [Parameter("Previous daily H,L", Group = "Colors", DefaultValue = "DarkGray")]
        public Color dc { get; set; }

        [Parameter("No trade Colors", Group = "Colors", DefaultValue = "DarkGray")]
        public Color nc { get; set; }
        
        [Parameter("Close", Group = "Line styles", DefaultValue = LineStyle.Dots)]
        public LineStyle LineStyleCL { get; set; }

        [Parameter("No trading zone", Group = "Line styles", DefaultValue = LineStyle.Dots)]
        public LineStyle LineStyleNT { get; set; }

        [Parameter("Previous daily H,L", Group = "Line styles", DefaultValue = LineStyle.Lines)]
        public LineStyle LineStyleHL{ get; set; }

        [Parameter("Show prevoius daily HL", Group = "Prices", DefaultValue = true)]
        public bool showD { get; set; }

        [Parameter("Show prevoius Close", Group = "Prices", DefaultValue = true)]
        public bool showClose { get; set; }

        [Parameter("Show No trade zones", Group = "Prices", DefaultValue = true)]
        public bool showNZ { get; set; }        

        [Output("Main")]
        public IndicatorDataSeries Result { get; set; }


        private MarketSeries d;

        protected override void Initialize()
        {
           
            d = MarketData.GetSeries(TimeFrame.Daily);
             
        }

        public override void Calculate(int index)
        {

            if (showD)
            {
                Chart.DrawTrendLine("dh", index, d.High[d.High.Count - lback - 1], index - length, d.High[d.High.Count - lback - 1], dc , 1 ,LineStyleHL); // normalni H
                Chart.DrawTrendLine("dl", index, d.Low[d.High.Count - lback - 1], index - length, d.Low[d.High.Count - lback - 1], dc,1 , LineStyleHL);   // normalni L        
            }

          if (showNZ)
            {
                
                double Habove = d.High[d.High.Count - lback - 1] + offset;
                double Hbelow = d.High[d.High.Count - lback - 1] - offset;

                double Labove = d.Low[d.High.Count - lback - 1] + offset;
                double Lbelow = d.Low[d.High.Count - lback - 1] - offset;
    
                Chart.DrawTrendLine("dhA", index, Habove, index - length, Habove, nc, 1, LineStyleNT);
                Chart.DrawTrendLine("dhB", index, Hbelow, index - length, Hbelow, nc, 1, LineStyleNT);          
                Chart.DrawTrendLine("dlA", index, Labove, index - length, Labove, nc, 1, LineStyleNT);
                Chart.DrawTrendLine("dlB", index, Lbelow, index - length, Lbelow, nc, 1, LineStyleNT);
               
            }

            if (showClose)
                    Chart.DrawTrendLine("dc", index, d.Close[d.High.Count - lback - 1], index - length, d.Close[d.High.Count - lback - 1], wc,1, LineStyleCL);                

        }
    }
}