Forex_Strategy_Builder.On_Balance_Volume.Calculate C# (CSharp) Method

        public override void Calculate(SlotTypes slotType)
        {
            // Reading the parameters
            int iPrvs = IndParam.CheckParam[0].Checked ? 1 : 0;

            // Calculation
            double[] adOBV  = new double[Bars];

            int iFirstBar = 5;

            adOBV[0] = Volume[0];

            for (int iBar = 1; iBar < Bars; iBar++)
            {
                if (Close[iBar] > Close[iBar - 1])
                {
                    adOBV[iBar] = adOBV[iBar - 1] + Volume[iBar];
                }
                else if (Close[iBar] < Close[iBar - 1])
                {
                    adOBV[iBar] = adOBV[iBar - 1] - Volume[iBar];
                }
                else
                {
                    adOBV[iBar] = adOBV[iBar - 1];
                }
            }

            // Saving the components
            Component = new IndicatorComp[3];

            Component[0] = new IndicatorComp();
            Component[0].CompName   = "On Balance Volume";
            Component[0].DataType   = IndComponentType.IndicatorValue;
            Component[0].ChartType  = IndChartType.Line;
            Component[0].ChartColor = Color.Green;
            Component[0].FirstBar   = iFirstBar;
            Component[0].Value      = adOBV;

            Component[1] = new IndicatorComp();
            Component[1].ChartType = IndChartType.NoChart;
            Component[1].FirstBar  = iFirstBar;
            Component[1].Value     = new double[Bars];

            Component[2] = new IndicatorComp();
            Component[2].ChartType = IndChartType.NoChart;
            Component[2].FirstBar  = iFirstBar;
            Component[2].Value     = new double[Bars];

            // Sets the Component's type
            if (slotType == SlotTypes.OpenFilter)
            {
                Component[1].DataType = IndComponentType.AllowOpenLong;
                Component[1].CompName = "Is long entry allowed";
                Component[2].DataType = IndComponentType.AllowOpenShort;
                Component[2].CompName = "Is short entry allowed";
            }
            else if (slotType == SlotTypes.CloseFilter)
            {
                Component[1].DataType = IndComponentType.ForceCloseLong;
                Component[1].CompName = "Close out long position";
                Component[2].DataType = IndComponentType.ForceCloseShort;
                Component[2].CompName = "Close out short position";
            }

            // Calculation of the logic
            IndicatorLogic indLogic = IndicatorLogic.It_does_not_act_as_a_filter;

            switch (IndParam.ListParam[0].Text)
            {
                case "The On Balance Volume rises":
                    indLogic = IndicatorLogic.The_indicator_rises;
                    break;

                case "The On Balance Volume falls":
                    indLogic = IndicatorLogic.The_indicator_falls;
                    break;

                case "The On Balance Volume changes its direction upward":
                    indLogic = IndicatorLogic.The_indicator_changes_its_direction_upward;
                    break;

                case "The On Balance Volume changes its direction downward":
                    indLogic = IndicatorLogic.The_indicator_changes_its_direction_downward;
                    break;

                default:
                    break;
            }

            OscillatorLogic(iFirstBar, iPrvs, adOBV, 0, 0, ref Component[1], ref Component[2], indLogic);

            return;
        }