public int DoFFT(double[,] Values, int ValuesChannel, FFTWindowTypeEnum win, double freq,
                  ref double PeakSygnalFreq, ref double pwr, ref double SNR, ref double THD, ref double SINAD,
                  ref double SFDR, ref double ENOB)
 {
     return(_DoFFT(Values, Values.GetLength(1), ValuesChannel, win, freq,
                   ref PeakSygnalFreq, ref pwr, ref SNR, ref THD, ref SINAD, ref SFDR, ref ENOB));
 }
 public static extern int _DoFFT(double[,] Values, int ValuesDimension1, int ValuesChannel, FFTWindowTypeEnum win, double freq,
                                 ref double PeakSygnalFreq, ref double pwr, ref double SNR, ref double THD, ref double SINAD,
                                 ref double SFDR, ref double ENOB);