Rex Oscillator for NNFX with cTrader

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

namespace cAlgo
{
    [Indicator(IsOverlay = false, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class REXindicatorforNNFX : Indicator
    {

        [Parameter("Periods", DefaultValue = 10)]
        public int _signalPeriod { get; set; }
        [Parameter("Ma Type", DefaultValue = MovingAverageType.Simple)]
        public MovingAverageType _movingAverageType { get; set; }


        [Output("TVB", LineColor = "Green")]
        public IndicatorDataSeries _tvb { get; set; }
        [Output("Signal", LineColor = "Red", Thickness = 1)]
        public IndicatorDataSeries _signalSeries { get; set; }


        private MovingAverage _signal;


        protected override void Initialize()
        {
            _signal = Indicators.MovingAverage(_tvb, _signalPeriod, _movingAverageType);
        }


        public override void Calculate(int index)
        {
            _tvb[index] = 3 * Bars.ClosePrices[index] - (Bars.LowPrices[index]) + (Bars.OpenPrices[index] + Bars.ClosePrices[index]);
            _signalSeries[index] = _signal.Result[index];

        }
    }

}