TICK中的历史申卖申卖价如何取

//tick中的历史申卖申卖价如何取，判断主动买，主动卖；

Params
    
    //此处添加参数
    //Numeric millsecs(1000);
Vars
    
     
     Series<Numeric> baramount;
          Series<Numeric> barvol;
          Series<Numeric> dayavg;
Numeric  CON1(0);
Numeric  CON2(0);
//String symbol;
//Bool GetTick(String symbol, TickRef tick);
tick    my_tick;
Events
    OnBar(ArrayRef<Integer> indexs)
    {
     if( TrueDate(0) !=TrueDate(1))
        {
                baramount=close*Vol;
                barvol=vol;
        }else
        {
                baramount = baramount[1]+close*vol;
                barvol = barvol[1]+vol;
               
                
        }
    dayavg = baramount / barvol;
       Plotnumeric("dayavg",dayavg);
       //If ( TrueDate(0) !=TrueDate(1))
   //    Plotnumeric("dayavg",dayavg,0,Black);    
   
   FileAppend("C:\\FormulaTICIK.log","TICK = "+Text(Close));
   Commentary("TICK=" +TEXT(Open)+","+TEXT(High)+","+TEXT(LOW)+","+TEXT(Close) + ","+TEXT(Vol)+ ","+TEXT(OpenInt));
   GetTick(symbol,my_tick);
   Commentary("AskPrice="+text(my_tick.bidask1.askP)); //申卖价 1
   // Commentary("AskVol="+text(tickData.bidask1.askV)); //申卖量 1
    Commentary("BidPrice="+text(my_tick.bidask1.bidP)); //申买价 1
  //  Commentary("BidVol="+text(tickData.bidask1.bidV)); //申买量 1CurrentBar()
   
    Commentary("CurrentBar()="+text(CurrentBar())); //
    
    //Commentary("CurrentBar()="+text(GetTick(my_tick,1))); //申卖价 1
    
    
    
   
    
    }