ModalPeriod(this cAnalysisResults obj) { int NumberResults; NumberResults = default(int); string[] LoadCase, StepType; LoadCase = StepType = default(string[]); double[] StepNum, Period, Frequency, CircFreq, EigenValue; StepNum = Period = Frequency = CircFreq = EigenValue = default(double[]); var res = obj.ModalPeriod(ref NumberResults, ref LoadCase, ref StepType, ref StepNum, ref Period, ref Frequency, ref CircFreq, ref EigenValue); return(NumberResults, LoadCase, StepType, StepNum, Period, Frequency, CircFreq, EigenValue); }