TimeSpanDeltaCalculatorBase
StockSharp.Xaml.Charting.Numerics
实现: IDateDeltaCalculator, IDeltaCalculator
方法
GetDeltaFromRange(IComparable, IComparable, int, uint) : TimeSpanDelta
Given an absolute Axis Min and Max, returns a TickRange instance containing sensible MinorDelta and MajorDelta values