macd and stoch in one windows

i try to have stoch and macd in same windows but down'st show both together.

i want to show both and macd zero level fix on stoch 50 level.

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

namespace cAlgo
{

    [Levels(0)]
    [Indicator(IsOverlay = false, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class Macdstoch : Indicator
    {


        public MacdHistogram _Macd3;


        [Parameter("source")]
        public DataSeries Source { get; set; }

        private StochasticOscillator _stochastic;




        [Parameter("Long Cycle 3", DefaultValue = 26, Group = "Macd 3")]
        public int LongCycle3 { get; set; }

        [Parameter("Short Cycle 3", DefaultValue = 12, Group = "Macd 3")]
        public int ShortCycle3 { get; set; }

        [Parameter("Signal 3", DefaultValue = 9, Group = "Macd 3")]
        public int inpSingal3 { get; set; }


        [Parameter("K Periods", DefaultValue = 5)]
        public int kPeriods { get; set; }

        [Parameter("K Slowing", DefaultValue = 3)]
        public int kSlowing { get; set; }

        [Parameter("D Periods", DefaultValue = 3)]
        public int dPeriods { get; set; }







        [Output("Macd 3 ", LineColor = "Purple", LineStyle = LineStyle.Solid, Thickness = 2, PlotType = PlotType.Histogram)]
        public IndicatorDataSeries Macd3 { get; set; }
        [Output("Signal 3 ", LineColor = "Black", LineStyle = LineStyle.Solid, Thickness = 2)]
        public IndicatorDataSeries Singal3 { get; set; }


        [Output("K%  ", LineColor = "Black", LineStyle = LineStyle.Solid, Thickness = 2)]
        public IndicatorDataSeries k { get; set; }
        [Output("D% ", LineColor = "Black", LineStyle = LineStyle.Solid, Thickness = 2)]
        public IndicatorDataSeries d { get; set; }

        protected override void Initialize()
        {

            _stochastic = Indicators.StochasticOscillator(kPeriods, kSlowing, dPeriods, MovingAverageType.Simple);

            _Macd3 = Indicators.MacdHistogram(Source, LongCycle3, ShortCycle3, inpSingal3);


        }

        public override void Calculate(int index)
        {



            Macd3[index] = _Macd3.Histogram[index];
            Singal3[index] = _Macd3.Signal[index];

            k[index] = _stochastic.PercentK[index];
            d[index] = _stochastic.PercentD[index];


        }
    }
}