265int SelectedModule(const string symbol, const long magic)266{267   for (int i = 0; i < 20; i++)268      if (modules[i].magic == magic && modules[i].symbol == symbol)269         return i;270   return -1;271}272273// Commission is gathered by position identifier, not by its current ticket.274double SelectedPositionNet()275{276   double profit = PositionGetDouble(POSITION_PROFIT);277   double swap = PositionGetDouble(POSITION_SWAP);278   long identifier = PositionGetInteger(POSITION_IDENTIFIER);279   double commission = 0;280   if (identifier != 0)281   {282      datetime opened = (datetime)PositionGetInteger(POSITION_TIME);283      datetime from = (opened > 86400 ? opened - 86400 : 0);284      if (HistorySelect(from, TimeCurrent()))285      {286         int count = HistoryDealsTotal();287         for (int i = 0; i < count; i++)288         {289            ulong ticket = HistoryDealGetTicket(i);290            if (ticket != 0 && HistoryDealGetInteger(ticket, DEAL_POSITION_ID) == identifier)291               commission += HistoryDealGetDouble(ticket, DEAL_COMMISSION);292         }293      }294   }295   return profit + swap + commission;296}297298double ModuleExposure(const int module)299{300   double lots = 0;301   for (int i = PositionsTotal() - 1; i >= 0; i--)302   {303      ulong ticket = PositionGetTicket(i);304      if (ticket == 0 || !PositionSelectByTicket(ticket))305         continue;306      int index = SelectedModule(PositionGetString(POSITION_SYMBOL), PositionGetInteger(POSITION_MAGIC));307      if (index >= 0 && (module < 0 || module == index))308         lots += PositionGetDouble(POSITION_VOLUME);309   }310   return lots;311}312313int ActiveModuleCount()314{