public static DxResult Dx(int startIdx, int endIdx, double[] high, double[] low, double[] close, int timePeriod) { int outBegIdx = default; int outNBElement = default; double[] outReal = new double[endIdx - startIdx + 1]; RetCode retCode = TACore.Dx( startIdx, endIdx, high, low, close, timePeriod, ref outBegIdx, ref outNBElement, ref outReal); return(new(retCode, outBegIdx, outNBElement, outReal)); }