for(int i = OrdersTotal()-1; i>=0; i--) 
        {
          if(!OrderSelect(i,SELECT_BY_POS,MODE_TRADES))continue;
          if(!(OrderSymbol() == Symbol() && OrderMagicNumber() == Magic)) continue;
          if(OrderType() != otype) continue;
          if(OrderType() == OP_BUY)
             {
                if(OrderOpenPrice()< Bid - TrailingStop  || OrderStopLoss () == 0 )
                  {
                      if(OrderStopLoss() < (OrderOpenPrice() + NormalizeDouble(Bid - TrailingStop*Point,Digits )))
                        {
                           SL =  Bid - TrailingStop * Point;
                             
                              if(OrderModify(OrderTicket(), OrderOpenPrice(),  SL, 0, 0, Yellow))
                                                         Print(" OrderModify Ok!");
                                                     else
                                                         Print(" OrderModify Error!");
                        }