public static float RubberBandStretcher_GetFrequencyCutoff(IntPtr rbs, int n) { if (IntPtr.Size == 8) { return(RubberBandNativeMethodsx64.RubberBandStretcher_GetFrequencyCutoff(rbs, n)); } else { return(RubberBandNativeMethodsWin32.RubberBandStretcher_GetFrequencyCutoff(rbs, n)); } }