public static double GetMajorUnit(double range, IAxis ax, double delta = 0.0) { double majorUnit = ax.MajorUnit; if (double.IsNaN(majorUnit)) { int num2 = NicePrecision(range); double x = range / ((double)ax.GetAnnoNumber()); if (delta == 0.0) { delta = NiceNumber(2.0 * x, -num2, true); if (delta < x) { delta = NiceNumber(x, -num2 + 1, false); } if (delta < x) { delta = NiceTickNumber(x); } } return(delta); } delta = majorUnit; return(delta); }