Your code is running on a broker's account. There is no username with brokers.
If you could get the user's name, he could run your code on 32 separate terminals with 32 separate accounts. That's not what you want, is it?
PAIRS/SYMBOLS ON A CHART - General - MQL5 programming forum #1 2020.12.14
Only the Account's Client Name via "AccountInfoString( ACCOUNT_NAME )", not the MQL5 Username!
First of all thank you for your attention, so is this specific for every user? and users can access it through the metatrader interface?
Your code is running on a broker's account. There is no username with brokers.
If you could get the user's name, he could run your code on 32 separate terminals with 32 separate accounts. That's not what you want, is it?
PAIRS/SYMBOLS ON A CHART - General - MQL5 programming forum #1 2020.12.14
I mean actually login information or any information specific to the user. Username is not a particularly necessary. However for verification, the user must also have access to this information.
No it is not specific enough to every user, because there are people with the same name all over the world! So use the other account information to make it more specific (see code below).
You said you wanted to extract the information via your EA running on a customer's machine. That is what I gave you! The customer already knows his own name and the name on his trading account! He does not need to extract it, but yes he can see it right under the Account names in MetaTrader's Navigator window.
Forum on trading, automated trading systems and testing trading strategies
Fernando Carreiro, 2017.09.10 22:17
Here is a sample of my own code that I use, but it is up to you to implement properly. I'm not offering any support on it. It is up to you to do the necessary research and learning.
//+------------------------------------------------------------------------------------+ // Initialisation Event Function //+------------------------------------------------------------------------------------+ int OnInit() { // Check Licensing Restrictions if( boolRestrictOnInit() ) return( INIT_FAILED ); // ... return( INIT_SUCCEEDED ); // Initialisation complete } //+------------------------------------------------------------------------------------+ // Tick Event Function //+------------------------------------------------------------------------------------+ void OnTick() { // Check Licensing Restrictions if( boolRestrictOnTick() ) return; /// ... } //+------------------------------------------------------------------------------------+ // Function to Test Restrictions during Initialisation //+------------------------------------------------------------------------------------+ bool boolRestrictOnInit() { boolRestrictions = boolRestrictExpiration || boolRestrictAccountNumber || boolRestrictAccountName || boolRestrictAccountServer || boolRestrictAccountCompany || boolRestrictDemoAccount || boolRestrictSymbols; if( boolRestrictions ) { boolRestrictionsUnverified = true; if( (bool) TerminalInfoInteger( TERMINAL_CONNECTED ) ) { long longAccountNumber = AccountInfoInteger( ACCOUNT_LOGIN ); if( longAccountNumber > 0 ) { if( boolRestrictAccountNumber ) { if( longAccountNumber != longRestrictAccountNumber ) { return( boolRestrictAlert() ); } } if( boolRestrictAccountName ) { if( AccountInfoString( ACCOUNT_NAME ) != strRestrictAccountName ) { return( boolRestrictAlert() ); } } if( boolRestrictAccountServer ) { if( AccountInfoString( ACCOUNT_SERVER ) != strRestrictAccountServer ) { return( boolRestrictAlert() ); } } if( boolRestrictAccountCompany ) { if( AccountInfoString( ACCOUNT_COMPANY ) != strRestrictAccountCompany ) { return( boolRestrictAlert() ); } } if( boolRestrictDemoAccount ) { if( AccountInfoInteger( ACCOUNT_TRADE_MODE ) != ACCOUNT_TRADE_MODE_DEMO ) { return( boolRestrictAlert() ); } } if( boolRestrictSymbols() ) { return( boolRestrictAlert() ); } boolRestrictionsUnverified = false; } } } return( false ); } //+------------------------------------------------------------------------------------+ // Function to Test Variations of Restricted Symbols //+------------------------------------------------------------------------------------+ bool boolRestrictSymbols() { if( boolRestrictSymbols ) { int intSymbolCount = ArraySize( strRestrictSymbols ); if( intSymbolCount == 0 ) return( false ); for( int i = 0; i < intSymbolCount; i++ ) { if( StringFind( _Symbol, strRestrictSymbols[i] ) != WRONG_VALUE ) return( false ); int intLen = StringLen( strRestrictSymbols[i] ), intHalf = intLen / 2; string strLeft = StringSubstr( strRestrictSymbols[i], 0, intHalf ), strRight = StringSubstr( strRestrictSymbols[i], intHalf, intLen - intHalf ); if( ( StringFind( _Symbol, strLeft ) != WRONG_VALUE ) && ( StringFind( _Symbol, strRight ) != WRONG_VALUE ) ) return( false ); } return( true ); } return( false ); } //+------------------------------------------------------------------------------------+ // Function to Test Expiration during Tick Events //+------------------------------------------------------------------------------------+ bool boolRestrictOnTick() { if( boolRestrictions ) { if( boolRestrictionsUnverified ) return( boolRestrictOnInit() ); if( boolRestrictExpiration && ( TimeCurrent() >= dtRestrictExpiration ) ) return( boolRestrictAlert() ); } return( false ); } // Function to Alert User of Licensing Restrictions and Remove Code from Execution bool boolRestrictAlert() { if( boolRestrictAlert ) MessageBox( strRestrictAlertMessage, strRestrictAlertCaption, MB_ICONERROR ); ExpertRemove(); return( true ); } //+------------------------------------------------------------------------------------+ // Variables for Handling of Licensing Restrictions //+------------------------------------------------------------------------------------+ bool boolRestrictExpiration = false, // Set to true, to use an Experation Date boolRestrictAccountNumber = false, // Set to true for Restricting by Account Number boolRestrictAccountName = false, // Set to true for Restricting by Account Name boolRestrictAccountServer = false, // Set to true for Restricting by Account Server boolRestrictAccountCompany = false, // Set to true for Restricting by Account Company boolRestrictDemoAccount = false, // Set to true, to only allow Demo Accounts boolRestrictSymbols = false, // Set to true, to only allow certain Symbols boolRestrictAlert = true, // Display Alert Message when Restrictions apply boolRestrictionsUnverified = false, // DO NOT CHANGE. For internal use only! boolRestrictions = false; // DO NOT CHANGE. For internal use only! datetime dtRestrictExpiration = D'2017.03.31'; // Restricted by Expration Date long longRestrictAccountNumber = 123456789; // Restricted by Account Number string strRestrictAccountName = "Client Name", // Restricted by Account Name strRestrictAccountServer = "Server Name", // Restricted by Account Server strRestrictAccountCompany = "Company Name", // Restricted by Account Company strRestrictSymbols[] = { "EURUSD", "GBPJPY", "NZDCAD" }, // Restricted Symbols strRestrictAlertCaption = "Restrictions", // Alert Message Box Caption strRestrictAlertMessage = "ATTENTION! Due to Licensing Restrictions, code execution has been blocked!"; // Message to be used when Restrictions have been detected //+------------------------------------------------------------------------------------+
No it is not specific enough to every user, because there are people with the same name all over the world! So use the other account information to make it more specific (see code below).
You said you wanted to extract the information via your EA running on a customer's machine. That is what I gave you! The customer already knows his own name and the name on his trading account! He does not need to extract it, but yes he can see it right under the Account names in MetaTrader's Navigator window.
Thank you very much for explaining and helping 🙏 I will examine it in detail
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I develop a advisor and i want to verify users authentication in somewhere of my advisor from remote access.