protected static void DoClone(TradingDateTimeAxis b, TradingDateTimeAxis a)
{
DateTimeAxis.DoClone(b, a);
a.startTradingTime_ = b.startTradingTime_;
a.endTradingTime_ = b.endTradingTime_;
a.tradingTimeSpan_ = b.tradingTimeSpan_;
a.WorldMin = b.WorldMin;
a.WorldMax = b.WorldMax;
}