/// <summary> /// Action to be executd for calculating indicator /// </summary> /// <returns>for future usage. Must be ignored at this time.</returns> protected override bool TrueAction() { // Validate int iSize = _chartPanel._chartX.RecordCount; if (iSize == 0) { return(false); } if (ParamInt(1) < 1 || ParamInt(1) > iSize / 2) { ProcessError("Invalid Periods for indicator " + FullName, IndicatorErrorType.ShowErrorMessage); return(false); } if (ParamInt(2) < (int)Constants.MA_START || ParamInt(2) > (int)Constants.MA_END) { ProcessError("Invalid Moving Average Type for indicator " + FullName, IndicatorErrorType.ShowErrorMessage); return(false); } // Get the data string paramStr0 = ParamStr(0); Field pOpen = SeriesToField("Open", paramStr0 + ".open", iSize); if (!EnsureField(pOpen, paramStr0 + ".open")) { return(false); } Field pHigh = SeriesToField("High", paramStr0 + ".high", iSize); if (!EnsureField(pHigh, paramStr0 + ".high")) { return(false); } Field pLow = SeriesToField("Low", paramStr0 + ".low", iSize); if (!EnsureField(pLow, paramStr0 + ".low")) { return(false); } Field pClose = SeriesToField("Close", paramStr0 + ".close", iSize); if (!EnsureField(pClose, paramStr0 + ".close")) { return(false); } Field pVolume = SeriesToField("Volume", paramStr0 + ".volume", iSize); if (!EnsureField(pVolume, paramStr0 + ".volume")) { return(false); } Navigator pNav = new Navigator(); Recordset pRS = new Recordset(); pRS.AddField(pOpen); pRS.AddField(pHigh); pRS.AddField(pLow); pRS.AddField(pClose); pRS.AddField(pVolume); pNav.Recordset_ = pRS; // Calculate the indicator Oscillator ta = new Oscillator(); Recordset pInd = ta.ElderRay(pNav, pRS, ParamInt(1), (IndicatorType)ParamInt(2), FullName); string ind_name = FullName + " Bull Power"; // Output the indicator values Clear(); for (int n = 0; n < iSize; ++n) { AppendValue(DM.TS(n), n < ParamInt(1) + 1 ? null : pInd.Value(ind_name, n + 1)); } return(_calculateResult = PostCalculate()); }