extern int OrderPropeties;
      double OpenPrice;
      extern double Lot=0.01;
      double StopLoss;
      double TakeProfit;
      extern string Note;
      extern color Color = clrRed;


void OnTick()
  {
  
      if(OrdersTotal()>0){return;}  // chi cho vao 1 lenh
      
      if(OrderPropeties==OP_SELL)   
      {
         OpenPrice   =  Bid;
         StopLoss    =  OpenPrice+20*10*Point();
         TakeProfit  =  OpenPrice-20*10*Point();
      
      }
      
      if(OrderPropeties==OP_BUY)    
      {
         OpenPrice   =  Ask;
         StopLoss    =  OpenPrice-20*10*Point();
         TakeProfit  =  OpenPrice+20*10*Point();
      }

      OrderSend(Symbol(),OrderPropeties,Lot,OpenPrice,20,StopLoss,TakeProfit,Note,0,0,Color);
      
  }