MQL5 ReferenceConstants, Enumerations and StructuresData StructuresRequest Check Result Structure

The Structure of Results of a Trade Request Check (MqlTradeCheckResult)

Before sending a request for a trade operation to a trade server, it is recommended to check it. The check is performed using the OrderCheck() function, to which the checked request and a variable of the MqlTradeCheckResult structure type are passed. The check result will be written to this variable.

struct MqlTradeCheckResult
  {
   uint         retcode;             // Reply code
   double       balance;             // Balance after the execution of the deal
   double       equity;              // Equity after the execution of the deal
   double       profit;              // Floating profit
   double       margin;              // Margin requirements
   double       margin_free;         // Free margin
   double       margin_level;        // Margin level
   string       comment;             // Comment to the reply code (description of the error)
  };

Description of Fields

Field	Description
retcode	Return code
balance	Balance value that will be after the execution of the trade operation
equity	Equity value that will be after the execution of the trade operation
profit	Value of the floating profit that will be after the execution of the trade operation
margin	Margin required for the trade operation
margin_free	Free margin that will be left after the execution of the trade operation
margin_level	Margin level that will be set after the execution of the trade operation
comment	Comment to the reply code, error description