Virtual stop-loss (invisible to the broker)

struct VirtualStop { ulong ticket; double slPrice; };
VirtualStop g_vstops[];

void CheckVirtualStops()
{
   for(int i = ArraySize(g_vstops) - 1; i >= 0; i--)
   {
      if(!PositionSelectByTicket(g_vstops[i].ticket))
      {
         ArrayRemove(g_vstops, i, 1); // position déjà fermée
         continue;
      }
      long   type = PositionGetInteger(POSITION_TYPE);
      double bid  = SymbolInfoDouble(_Symbol, SYMBOL_BID);
      double ask  = SymbolInfoDouble(_Symbol, SYMBOL_ASK);

      bool hit = (type == POSITION_TYPE_BUY  && bid <= g_vstops[i].slPrice)
              || (type == POSITION_TYPE_SELL && ask >= g_vstops[i].slPrice);
      if(hit && trade.PositionClose(g_vstops[i].ticket))
         ArrayRemove(g_vstops, i, 1);
   }
}