Indicator not showing

Hi,

I don't know if anyone can help me on this issue. my custom indicator cannot display itself anymore on ctrader. Here is the code source…. I am a bit stuck here.

Best Regards,

Florent 

using cAlgo.API;
using cAlgo.API.Indicators;
using System.Runtime.InteropServices;

namespace cAlgo.Indicators
{
    [Indicator(AccessRights = AccessRights.None, IsOverlay = true)]
    public class CustomSupertrendIndicator : Indicator, Supertrend
    {
        private IndicatorDataSeries _upBuffer;
        private IndicatorDataSeries _downBuffer;
        private AverageTrueRange _averageTrueRange;
        private IndicatorDataSeries _trend;

        [Parameter()]
        public TimeFrame Timeframe { get; set; }

        [Parameter(DefaultValue = 10, MaxValue = 2000, MinValue = 1)]
        public int Periods { get; set; }

        [Parameter(DefaultValue = 3.0)]
        public double Multiplier { get; set; }

        [Parameter()]
        public MovingAverageType MAType { get; set; }

        [Output("Up Trend", LineColor = "Green", PlotType = PlotType.DiscontinuousLine, Thickness = 2f)]
        public IndicatorDataSeries UpTrend { get; set; }

        [Output("Down Trend", LineColor = "Red", PlotType = PlotType.DiscontinuousLine, Thickness = 2f)]
        public IndicatorDataSeries DownTrend { get; set; }

        private Bars _bars;
        protected override void Initialize()
        {
            _bars = MarketData.GetBars(Timeframe);
            _trend = CreateDataSeries();
            _upBuffer = CreateDataSeries();
            _downBuffer = CreateDataSeries();
            _averageTrueRange = Indicators.AverageTrueRange(_bars, Periods, MAType);
        }

        private void InitDataSeries(int index)
        {
            UpTrend[checked(index)] = double.NaN;
            DownTrend[checked(index)] = double.NaN;
        }

        private void CalculateSuperTrendLogic(int index, double median, double averageTrueRangeValue)
        {
            var _tfIndex = _bars.OpenTimes.GetIndexByTime(Bars.OpenTimes[index]);
            if (_bars.ClosePrices[_tfIndex] > _upBuffer[checked(index - 1)])
                _trend[index] = 1.0;
            else if (_bars.ClosePrices[_tfIndex] < _downBuffer[checked(index - 1)])
            {
                _trend[index] = -1.0;
            }
            else
            {
                IndicatorDataSeries trend = _trend;
                int num1 = index;
                double num2 = _trend[checked(index - 1)];
                double num3 = num2 == -1.0 ? -1.0 : (num2 != 1.0 ? _trend[index] : 1.0);
                int index1 = num1;
                double num4 = num3;
                trend[index1] = num4;
            }
            IndicatorDataSeries upBuffer = _upBuffer;
            int num5 = index;
            double num6;
            if (_trend[index] < 0.0)
            {
                if (_trend[checked(index - 1)] > 0.0)
                {
                    num6 = median + Multiplier * averageTrueRangeValue;
                    goto label_11;
                }
                else if (_upBuffer[index] > _upBuffer[checked(index - 1)])
                {
                    num6 = _upBuffer[checked(index - 1)];
                    goto label_11;
                }
            }
            num6 = _upBuffer[index];
            label_11:
            int index2 = num5;
            double num7 = num6;
            upBuffer[index2] = num7;
            IndicatorDataSeries downBuffer = _downBuffer;
            int num8 = index;
            double num9;
            if (_trend[index] > 0.0)
            {
                if (_trend[checked(index - 1)] < 0.0)
                {
                    num9 = median - Multiplier * averageTrueRangeValue;
                    goto label_17;
                }
                else if (_downBuffer[index] < _downBuffer[checked(index - 1)])
                {
                    num9 = _downBuffer[checked(index - 1)];
                    goto label_17;
                }
            }
            num9 = _downBuffer[index];
            label_17:
            int index3 = num8;
            double num10 = num9;
            downBuffer[index3] = num10;
        }

        private void DrawIndicator(int index)
        {
            if (_trend[index] == 1.0)
            {
                UpTrend[checked(index)] = _downBuffer[index];
            }
            else
            {
                if (_trend[index] != -1.0)
                    return;
                DownTrend[checked(index)] = _upBuffer[index];
            }
        }

        public override void Calculate(int index)
        {
            InitDataSeries(index);
            var _tfIndex = _bars.OpenTimes.GetIndexByTime(Bars.OpenTimes[index]);
            double median = (_bars.HighPrices[_tfIndex] + _bars.LowPrices[_tfIndex]) / 2.0;
            double averageTrueRangeValue = _averageTrueRange.Result[_tfIndex];
            _upBuffer[index] = median + Multiplier * averageTrueRangeValue;
            _downBuffer[index] = median - Multiplier * averageTrueRangeValue;
            if (index < 1)
            {
                _trend[index] = 1.0;
            }
            else
            {
                CalculateSuperTrendLogic(index, median, averageTrueRangeValue);
                DrawIndicator(index);
            }
        }
    }
}