Two stochastic oscillator in one window

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

namespace cAlgo.Indicators
{
    [Indicator(IsOverlay = false, TimeZone = TimeZones.UTC)]
    public class AdxR : Indicator
    {
        [Parameter("%K periods 1", DefaultValue = 20)]
        public int inpKPeriods1 { get; set; }

        [Parameter("%K Slowing 1", DefaultValue = 7)]
        public int inpKSlowing1 { get; set; }

        [Parameter("%D periods 1", DefaultValue = 20)]
        public int inpDPeriods1 { get; set; }

        [Parameter("MA type 1", DefaultValue = MovingAverageType.Simple)]
        public MovingAverageType inpMAType1 { get; set; }

        [Parameter("%K periods 2", DefaultValue = 9)]
        public int inpKPeriods2 { get; set; }

        [Parameter("%K Slowing 2", DefaultValue = 3)]
        public int inpKSlowing2 { get; set; }

        [Parameter("%D periods 2", DefaultValue = 9)]
        public int inpDPeriods2 { get; set; }

        [Parameter("MA type 2", DefaultValue = MovingAverageType.Simple)]
        public MovingAverageType inpMAType2 { get; set; }

        [Output("SlowPercenD", Color = Colors.Orange, LineStyle = LineStyle.Lines)]
        public IndicatorDataSeries SlowD { get; set; }

        [Output("SlowPercentK", Color = Colors.Orange, LineStyle = LineStyle.LinesDots)]
        public IndicatorDataSeries SlowK { get; set; }

        [Output("FastPercentD", Color = Colors.Blue, LineStyle = LineStyle.Lines)]
        public IndicatorDataSeries FastD { get; set; }

        [Output("FastPercentK", Color = Colors.Blue, LineStyle = LineStyle.LinesDots)]
        public IndicatorDataSeries FastK { get; set; }

        private StochasticOscillator _stochasticslow;
        private StochasticOscillator _stochasticfast;


        protected override void Initialize()
        {
            _stochasticslow = Indicators.StochasticOscillator(inpKPeriods1, inpKSlowing1, inpDPeriods1, inpMAType1);
            _stochasticfast = Indicators.StochasticOscillator(inpKPeriods2, inpKSlowing2, inpDPeriods2, inpMAType2);

        }

        public override void Calculate(int index)
        {
            SlowD[index] = _stochasticslow.PercentD[index];
            SlowK[index] = _stochasticslow.PercentK[index];
            FastD[index] = _stochasticfast.PercentD[index];
            FastK[index] = _stochasticfast.PercentK[index];

        }
    }
}