public double MinimumPriceTick = 1.0; // smallest price between two adjacent tick prices for orders. #endregion// members #region Constructors // ***************************************************************** // **** Constructors **** // ***************************************************************** public OrderBook(OrderHub parentOrderHub, InstrumentName instrumentName) { this.m_InstrumentName = instrumentName; // store required vars this.m_ParentHub = parentOrderHub; // Create Order tag format DateTime dt = DateTime.Now; string s1 = string.Format("{0:yy}{1}{2}{3}{4}{5}_", dt, QTMath.GetMonthCode(dt), QTMath.GetBaseSixtyCode(dt.Day), QTMath.GetBaseSixtyCode(dt.Hour), QTMath.GetBaseSixtyCode(dt.Minute), QTMath.GetBaseSixtyCode(dt.Second)); m_TagFormat = s1 + "{0}"; // Make certain this is unique. // Create books. m_ByPrice = new SortedDictionary <int, List <string> > [2]; // TODO: I think, for speed, use List<Order>? for (int side = 0; side < m_ByPrice.Length; ++side) { m_ByPrice[side] = new SortedDictionary <int, List <string> >(); } }//constructor