void TralingStopLoss(int otype)
 {
    double avgprice = 0,
           order_lots = 0;
   
           price = 0;
    
     for(int i = OrdersTotal()-1; i>=0; i--)
      {
        if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
          {
             if (OrderSymbol() != Symbol() || OrderMagicNumber() != Magic) continue;
             if(OrderSymbol() == Symbol() && OrderMagicNumber() == Magic && OrderType() == otype)
             {
                price += OrderOpenPrice() * OrderLots();
                order_lots += OrderLots();
               
             }
          
          }
      }
         
      avgprice = NormalizeDouble(price/ order_lots + TrailingStop*Point, Digits);
              
        
            if(!avgprice ) return;
           
            
       for(int i = OrdersTotal()-1; i>=0; i--)     
      
      {
         if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
         
              {
              if (OrderSymbol() != Symbol() || OrderMagicNumber() != Magic) continue;
             if(OrderSymbol() == Symbol() && OrderMagicNumber() == Magic && OrderType() == otype)
                  {
                      if(OrderType()==OP_BUY)
                        {
                           if(NormalizeDouble(Bid-OrderOpenPrice(),Digits)>NormalizeDouble(TrailingStop*Point,Digits))
                              {
                                   if(NormalizeDouble(OrderStopLoss(),Digits)<NormalizeDouble(Bid-(TrailingStop+TrailingStep-1)*Point,Digits))
                                     if(OrderModify(OrderTicket(), OrderOpenPrice(),NormalizeDouble(Bid-TrailingStop*Point,Digits) ,OrderTakeProfit(),0,Yellow))
                                        Print("OrderModify Error ", GetLastError());
                                     else
                                        Print("OrderModify Ok ");
                              }
                        }
                        if(OrderType()==OP_SELL)
                          {
                              if(NormalizeDouble(OrderOpenPrice()-Ask,Digits)>NormalizeDouble(TrailingStop*Point,Digits))
                                 {
                                    if(NormalizeDouble(OrderStopLoss(),Digits)>NormalizeDouble(Ask+(TrailingStop+TrailingStep-1)*Point,Digits))
                                      if(OrderModify(OrderTicket(), OrderOpenPrice(), NormalizeDouble(Ask+TrailingStop*Point,Digits), OrderTakeProfit(), 0, Yellow))
                                        Print("OrderModify Error ", GetLastError());
                                     else
                                        Print("OrderModify Ok ");
                                 }
                          }
                    }
              }
          }
       RefreshRates();
    }