mql5/Scripts/SymbolInfoStringChecker.mq5

//+------------------------------------------------------------------+
//|                                      SymbolInfoStringChecker.mq5 |
//|                                  Copyright 2025, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, MetaQuotes Ltd."
#property link      "https://www.mql5.com"
#property version   "1.00"

#include <Trade\SymbolInfo.mqh>

//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
  {
   string symbol = _Symbol;
   CSymbolInfo m_symbol_info;

   if(!m_symbol_info.Name(symbol))
     {
      PrintFormat("Error: Failed to initialize CSymbolInfo for symbol '%s'. Error: %d", symbol, GetLastError());
      return;
     }

   Print("--- Symbol Property Checker Started ---");
   PrintFormat("Checking symbol: %s", symbol);
   Print("--- String Properties (ENUM_SYMBOL_INFO_STRING) ---");

   ENUM_SYMBOL_INFO_STRING string_properties[] =
     {
      SYMBOL_BASIS,
      SYMBOL_CATEGORY,
      SYMBOL_COUNTRY,
      SYMBOL_SECTOR_NAME,
      SYMBOL_INDUSTRY_NAME,
      SYMBOL_CURRENCY_BASE,
      SYMBOL_CURRENCY_PROFIT,
      SYMBOL_CURRENCY_MARGIN,
      SYMBOL_BANK,
      SYMBOL_DESCRIPTION,
      SYMBOL_EXCHANGE,
      SYMBOL_FORMULA,
      SYMBOL_ISIN,
      SYMBOL_PAGE,
      SYMBOL_PATH
     };

   string value;
   string result_str;

   for(int i = 0; i < ArraySize(string_properties); i++)
     {
      ResetLastError();
      bool success = m_symbol_info.InfoString(string_properties[i], value);
      int error = GetLastError();

      if(success)
        {
         if(value == "")
           {
            result_str = StringFormat("Property: %s, Status: SUPPORTED, Value: Empty",
                                      EnumToString(string_properties[i]));
           }
         else
           {
            result_str = StringFormat("Property: %s, Status: SUPPORTED, Value: '%s'",
                                      EnumToString(string_properties[i]), value);
           }
         Print(result_str);
        }
      else
        {
         result_str = StringFormat("Property: %s, Status: QUERY FAILED (Error: %d)",
                                   EnumToString(string_properties[i]), error);
         Print(result_str);
        }
     }
   Print("--- Check Completed ---");
  }
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
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