تبادل الخبرات في برمجة MQL

int start() {
   int l_stoplevel_8;
   int l_spread_12;
   double l_point_16;
   double l_bid_24;
   double l_ask_32;
   int li_unused_40;
   double l_minlot_44;
   double l_lotstep_52;
   double ld_60;
   int li_68;
   int li_72;
   int li_76;
   int li_80;
   int li_84;
   int li_88;
   bool li_92;
   bool li_96;
   bool li_100;
   bool li_104;
   double ld_108;
   double ld_116;
   string ls_0 = Symbol();

   if (gd_296 < 100.0 && AccountFreeMargin() < AccountBalance() * gd_296 / 100.0) {
      Print("Îïàñíàÿ ïðîñàäêà " + NormalizeDouble(AccountProfit(), 2) + "; íåäîñòàòî÷íî ñâîáîäíûõ ñðåäñòâ ñ÷åòà äëÿ ïðîäîëæåíèÿ òîðãîâëè " + NormalizeDouble(AccountFreeMargin(), 2) +
         ", ðåæèì îæèäàíèÿ âûõîäà èç ïðîñàäêè");
      Comment("\n", "Îïàñíàÿ ïðîñàäêà " + NormalizeDouble(AccountProfit(), 2) + "; íåäîñòàòî÷íî ñâîáîäíûõ ñðåäñòâ ñ÷åòà äëÿ ïðîäîëæåíèÿ òîðãîâëè " + NormalizeDouble(AccountFreeMargin(), 2) +
         ", ðåæèì îæèäàíèÿ âûõîäà èç ïðîñàäêè");
      Sleep(1000);
      
      return;
   }

//+------------------------------------------------------------------+
//| Check the correctness of the order volume                        |
//+------------------------------------------------------------------+
bool CheckVolumeValue(double volume,string &description)
  {
//--- minimal allowed volume for trade operations
   double min_volume=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MIN);
   if(volume<min_volume)
     {
      description=StringFormat("Volume is less than the minimal allowed SYMBOL_VOLUME_MIN=%.2f",min_volume);
      return(false);
     }

//--- maximal allowed volume of trade operations
   double max_volume=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MAX);
   if(volume>max_volume)
     {
      description=StringFormat("Volume is greater than the maximal allowed SYMBOL_VOLUME_MAX=%.2f",max_volume);
      return(false);
     }

//--- get minimal step of volume changing
   double volume_step=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_STEP);

   int ratio=(int)MathRound(volume/volume_step);
   if(MathAbs(ratio*volume_step-volume)>0.0000001)
     {
      description=StringFormat("Volume is not a multiple of the minimal step SYMBOL_VOLUME_STEP=%.2f, the closest correct volume is %.2f",
                               volume_step,ratio*volume_step);
      return(false);
     }
   description="Correct volume value";
   return(true);
  }