These files contain Expert Advisor Files and can be executed by the trading platform application. Contribute to KeisukeIwabuchi/MQL4-File development by creating an account on GitHub. Viewing 2 posts - 1 through 2 (of 2 total) Forums>StrategyQuant>Application Support>Cannot find MQL4 file on MT4 folder DudaoRJ 9. Otherwise, read the next two lines and repeat. futures io is the largest futures trading community on the planet, with over 100,000 members. The ex4 file goes in the Experts MQL4 directory Copy the TraideRinger. Establish an ftp connection. For more general information about how to open JSON files, file extension json and registry you can read one of the following articles: Windows registry - Windows registry is included in modern Windows operating systems to replace the older INI files which also contained system configuration. ex4 Rating Awesome. It takes a few seconds, here we have a file that is called: "mt4setup. Disadvantage Variation in currency competences. That means that an MP3 file does not contain 100% of the original audio information. For more general information about how to open MQ4 files, file extension mq4 and registry you can read one of the following articles: Windows registry - Windows registry is included in modern Windows operating systems to replace the older INI files which also contained system configuration. Is there a size limit for. File Operations. mq4 file extension is most commonly associated with MetaTrader custom indicator files. Reply with the word TRADINGVIEW in the body of the application so I know that you've read this. If you want to know more about the process of decompilation then you should read the full article. Can you clearify how to install it to the MT4, first copied the file to the mt4 and saved then closed the program and reopened the platforn, clicked on "insert" then through indicators-custom, found the file and clicked on it, nothing just couldn't open this indicator, the second type as you said closed the program and loaded the zip file "font. Click on you user name and then keep clicking until you find the. For making a decision to trade, reliable on-line information is necessary. Generally, these files are considered Developer Files. EX4 file only (latest version is attached to this post) and delete obsolete. ' This function returns a value read from an INI file ' ' Arguments: ' myFilePath [string] the (path and) file name of the INI file ' mySection [string] the section in the INI file to be searched ' myKey [string] the key whose value is to be returned ' ' Returns: ' the [string] value for the specified key in the specified section '. 225 Publisher Description Ex4 to Mq4. MT4 Setup Guide 4 IronF Global is authorised and regulated by FCA, ASIC, FSP, CRFI, UCRFI, CySEC Member of Eurex Exchange www. What do these file extensions do - mq4, ex4, tpl 21 replies. Module for handling files with MQL4. 427 ex4-to-mq4 decompiler. File Extension MQ4 is supported by Windows, Mac, and iOS operating systems. These are some decompiler the most common cases: To recover a lost source code. Hello, I've searched here and in mql4. File > Open Data Folder > MQL4 > Experts; The dll file goes in the Libraries MQL4 directory. SEASON 2 MQL4 Tutorial Bootcamp - Metatrader4 Trading Robots 4. File Extension MQ4 is supported by Windows, Mac, and iOS. Note: Although they look similar, MQ4 files are not at all related to MP4 video files. #include, as you can imagine, can be used to include source code and functions from other files. Exiso Gui 1. MQL4 Tutorial for Dummies This section, we will teach you how to create an expert advisor for MT4 Metatrader 4. You can enjoy MQL4 scripting once you hire the MT4 developer by simply contacting the team of Emet Trading Solutions. Could you please help. Show libraries in File Explorer. If you also want to check logs from EAs then you have to go to [MQL4] folder and there folder [Logs] - inside that folder you will see all log files from your MT4 Experts tab. Major edits would require a gig extra PREMIUM - Build an Expert Advisor EA or Indicator from Scratch Get your Forex Expert Advisor or Indicator built to your specified algorithm (Few Indicators - Add a gig extra for more indicators) Your algorithm would NOT be changed. We are going to see some examples of inclusion of other files in a MQL4 program with the #include command. Include File – name of an mqh file to be created for describing a class, as well as the path to it, relative to /MQL5 (/MQL4) folder. Use this method if you're having trouble using the EXE installer above. In this series all MQL4 trading functions are described in detail. mq4) files into MQL4/Indicators folder. csvread and dlmread cannot be used for mixed strings and numbers at all in older versions and in more recent versions can only be used for mixed strings and numbers if the row and column specification is passed by the user and none of the selected input includes strings. Click on you user name and then keep clicking until you find the. One of the features that I make use of regularly is the program's ability to search for text in all files of a folder that I specify. when first pointer is at 6th position, second pointer is at 2nd and when first moves to 7th, move second to 3rd. This article will expand on that simple concept and present code that may be used as a template in many different expert advisor applications and with many different types of indicators, including the RSI. Read MT4 Tutorial - Installing an MQL4 program. EX4-TO-MQ4 decompiler 2011 - EX4-TO-MQ4 decompiler MetaTrader 4 (MT4) ex4 files into source code decompile, EX4-TO-MQ4 decompiler, ex4 to mq4, forex. net since many years, Now its available for free! Email: [email protected] It works along the same lines as ZIP files and is proprietary and licensed to other paid as well as freeware compression file applications. 225 - Decompile and protect MQL compiled files Very often our computers crash, sending hours and hours of our life into nowhere. If this is your first visit, be sure to check out the FAQ by clicking the link above. Vinini Cyber Cycle. EX4 file only (latest version is attached to this post) and delete obsolete. exe", let's open that, click on execute and now an installation assistant comes up and as I am reading the terms and conditions here they are talking about MQL5 and they are talking about the Metatrader 5 trading platform. csv file? use of the New-MQL4. 3 variables from an EA should be written into a file (. Symphonie_Pivots_LHDT. Establish an ftp connection. The MQL4 language contained only three predefined functions that could be used in the indicator, script or Expert Advisor (not taking into account the include files *. When you install an expert advisor, you may have noticed two different types of files listed in the experts or indicators folder. MySQL library for MQL4 with proper memory management Library provides functions for management of MetaTrader 4 to MySQL database connections. You can read a lot more on this format, and MQ4 files, at MQL4. Changing the filename extension of a file is not a good idea. Read MQL4 code tutorials for Metatrader. Disadvantage Variation in currency competences. Metatrader Is very simple to use. Base Class – if a created class is to be inherited from another one, specify this in the field. Algorithmic Language MQL4. MQ4 or MetaTrader Custom Indicator Format file extension. mq4, it is the file that you downloaded here at fxprosystems. Then download the best software to open your file. Sorry to resurrect an old thread, but I have a need to convert a mq4 file into a dll file. Mql4 Lesson Video Links Below are the links to my videos. Step 4 Setup COT Update. If you're not sure of the file type, you can find it within the MQ4 file itself. If you want to know more about the process of decompilation then you should read the full article. File Extension MQ4 is supported by Windows, Mac, and iOS operating systems. We are able to turn your most sophisticated ideas into high quality and reliable code. Expert Advisor Programming for MetaTrader 4: Creating automated trading systems in the MQL4 language [Andrew R. The MQL4 language contained only three predefined functions that could be used in the indicator, script or Expert Advisor (not taking into account the include files *. mq4 MetaTrader 4/5 robots,Experts and Indicators source code advisors,Forex Automated Trading Systems. mq4 Heiken Ashi. In its operation, tester uses an *. The File Transfer Protocol (FTP) is a standard network protocol used for the transfer of computer files between a client and server on a computer network. ex4 file) in the indicators directory. And when work makes money for us, we'll make anything to recover lost source codes. Here's another article I wrote about how to read log files and actually understand them. We'll show you how to view an MQ4 file you found on your computer or received as an email attachment, and what it's for. Extract the download file. MT4GUI is a Framework to build GUI Items such as Buttons, Text Fields using Metatrader and MQL Language. Then when importing, this data is read only. MQL4 trading functions are broken down by functional category, including the most important functions: OrderSend, OrderModify, OrderClose, OrderSelect as well as the many other important and useful trading functions and constants. The functions behave very much like the file IO functions offered in the C programming language. Read MT4 Tutorial - Installing an MQL4 program. The problem of the normal file handling functions was the limited directories you can use for your output file: Directories limitation:. If you are looking for software that will allow you to open a file with the. mq4 files hold the original programming code in the MQL language. rar fast and secure. I have zero programming experience, but think the indicator I want to add can benefit many individuals. How to Use Windows Command Prompt to Run a Python File. I have tried python decompiler, debuggers, x86 disassemblers, hexadecimal edition to remove time and usage limitations. ex4 Solution I was testing out a new MT4 expert advisor (EA). MQL4: automated forex trading, strategy tester and custom indicators with MetaTrader. Browse and download over 40 repair softwares to restore and recover files damaged by virus, due to application failures, system crashes and network errors. mq4 file is the source code, which is human readable text that is eventually converted into the. When you generate. It takes a few seconds, here we have a file that is called: "mt4setup. Changing the filename extension of a file is not a good idea. I decided to write this appendix before writing the third part of “Your First Expert Advisor” lesson because you have to know these important functions before cracking. Programming. Advantages There will be no variation regarding updates due to which no need to change or alter the programs comprise of new versions. Step by step guidance will be shown to you where to place the metatrader 4, and how to compile the. This sometimes leads to the file extension being renamed from. If you have helpful information about the. When you install an expert advisor, you may have noticed two different types of files listed in the experts or indicators folder. MetaTrader 4, also known as MT4, is an electronic trading platform widely used by online retail foreign exchange speculative traders. Development. Then when importing, this data is read only. Mql4 forex robot. The MQ4 files contain custom indicators, scripts and library files used by the program. mq4 suffix is and how to open it. csv file? use of the New-MQL4. trading robots), custom indicators and scripts, as well as to test and optimize their EAs with the MT4 strategy tester. mq5 file from fxDreema, the project data is embedded at the end of that file and it looks like a big comment with letters. Please help convert this to MQ4 file. These files contain Expert Advisor Files and can be executed by the trading platform application. ex4 Rating Awesome. This wikiHow teaches you how to open a Python file with your Windows computer's built-in Command Prompt program. MQL4: Read single value from CSV. Learn to program in MQL4 and develop, test, and optimize your own algorithmic trading systems. For instance, if you want to backtest on M1, then select M1 as the chart timeframe. Named pipes provide interprocess communication between a pipe server and one or more pipe clients. File > Open Data Folder > MQL4 > Experts; The dll file goes in the Libraries MQL4 directory. It might happen that you successfully opened the file once but failed to close when wrote the code. Learn to program in MQL4 and develop, test, and optimize your own algorithmic trading systems. Copy tpl file (Template) to your Metatrader Directory / templates /. You can enjoy MQL4 scripting once you hire the MT4 developer by simply contacting the team of Emet Trading Solutions. So what is an Mql4 lesson worth to you? A cup of coffee? A newspaper? I am beginning to make some videos with files that are for patrons only that are downloadable. just click on one and it will start playing. mql4 file extension, write to us! Rate our MQL4 page. Reading a log file When you open a log file in any text editor like Notepad or Notepad++ you’ll see all messages that were recorded on that particular day. If you have been paying attention, the fact we named the file "EURUSD" doesn't really matter, you can attach this EA to any other chart and it will still work. One way is to close MT4 (and it will close all open files), another way is to open files in SHARE mode. Download MetaTrader 4 for PC to receive the most powerful and convenient tool for technical analysis and trading in the markets. Hi folks, One of the most important features of MetaTrader is the ability to write your own programs and attach them to MetaTrader terminal. A file can be used to deliver information to another program. Best Expert Advisor For Mt4. 4 b Download. RAR to ZIP - Convert file now View other compressed file formats: Technical Details: The RAR format allows for an extremely large potential file size, with 20 Exabyte's being the upper limit. mq4 file is the source code, which is human readable text that is eventually converted into the. futures io is the largest futures trading community on the planet, with over 100,000 members. Take two pointers, point both to head. In this series all MQL4 trading functions are described in detail. If you are unable to log into delaGATE, please call the OIT Support Center at 610-359-5211. Each value is a field (or column in a spreadsheet), and each line is a record (or row in a spreadsheet). Converter automatically recognizes the file extension and corrects the output file. Be ready on your. Hi, it is compiled with build 600+. Okay, let’s do that. mql4 pass by reference Available: http:docs. 2010" - Take a piece of pie night at the Forex Market!. MQL4 File Functions (MQL4 File Functions Replacement) Hi folks, A lot of people asked me and MetaQoutes for a better file handling functions that's why I'm writing this article/tool. c++,dll,header,static-libraries. How to create a 3D Terrain with Google Maps and height maps in Photoshop - 3D Map Generator Terrain - Duration: 20:32. Content provided by Microsoft. It is important to keep the path to the files as in the file: /MQL4/indicators/FXSSI. exe", let's open that, click on execute and now an installation assistant comes up and as I am reading the terms and conditions here they are talking about MQL5 and they are talking about the Metatrader 5 trading platform. 1 (70 ratings) Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately. Play Video. html Results,,1,,-,,20,,of,,10000,,,,Need. not showing the source code. ex4 How to use FXRM_Open_Trade_Pip_History. The MQL4 Source Code file type, file format description, and Mac, Windows, Linux, Android, and iOS programs listed on this page have been individually researched and verified by the FileInfo team. I am looking to get some information about the file read features on MQL4 so that I can draw the values of a CSV file on the chart. This a completely free indicator for mt4, so you do not have to pay … Read More ». Line read (string). This a completely free indicator for mt4, so you do not have to pay anything for this indicator. Programming. File Functions. Unfortunately, it is also used to appropriate the work done by other programmers. Your situation isn't your own fault; the other person needs to send the file in the proper format. MQL4 file is a MetaTrader MetaQuotes Language 4 File. MQ4 files can contain variables and functions, as well as comments, related to the MetaQuotes Language 4 programming language. MetaQuotes Language 4 Integrated Development Environment (MQL4 IDE) is a set of program tools for the development of program applications in MetaQuotes Language 4 (MQL4) which can be used in the trading terminal. Technically, a file name has no relation to the file content, so a file name and extension can be set voluntarily by the programmer. For making a decision to trade, reliable on-line information is necessary. You will learn how it does that in the next section. 2014 4:14pm #112549 | Participant 8 Posts I've tried this on several MT4 installations, under build 600 or over build 600…. you can refer here as download option HOW TO DOWNLOAD THE PRODUCT. WeisWaveRM4_avg_volume. Establish an ftp connection. Request for Leave or Approved Absence. Market Sales Price: $459. The directory from which you type the ftp command is the local working directory, and thus the source directory for this operation. It is important to select the MQL4 Folder. The use of its embedded programming language, MQL4, lifts traders to a new level of trading - to automated trading. Download Indicator mq4 in RAR file. There are nuances with each of the functions that would be hard for a non-programmer to learn. hi, i can't find the problem. Hello guys, I want to share my new system based on the TRUMP symbol. jpg, with content type image/jpeg; and the value of the text input was "Summer Vacation". MT4 Setup Guide 4 IronF Global is authorised and regulated by FCA, ASIC, FSP, CRFI, UCRFI, CySEC Member of Eurex Exchange www. 4 b Download. , I have an EA that was programming in MQL and can be run only in MT4 platform only. Zone Indicator MT4 free download in MQL4 source file format. For instance, if you want to backtest on M1, then select M1 as the chart timeframe. This MQ4 MT4 Expert Advisor Exports Real Time Historical Data Files in Simple. Read/Download But I'm still getting error, but this time is 5002 not 5004. you can refer here as download option HOW TO DOWNLOAD THE PRODUCT. I have a minimal setup like this: For the Mysql mgmt : # # MySQL NDB Cluster Small Sample Configuration File # # This files assumes that you are using 1 to 3 hosts # for running the cluster. Show libraries in File Explorer. We are able to turn your most sophisticated ideas into high quality and reliable code. We offer: MT4 and MT5 EAs & Indicators, Latency and Hedge Arbitrage, Account Copiers, DDE, MT4 to FiX API. File Upload. These files contain Expert Advisor Files and can be executed by the trading platform application. The program files are normal text files that have one of these extensions:. ex4!, the compiled codes can not be read), as well as one or more screenshots of the indicator in question (it's always easier for me to accurately reproduce the Metatrader4 indicator. Now let's look at a Web API controller that reads files from a multipart MIME message. csv file? use of the New-MQL4. ExIso GUI makes easier to extract multiple iso with a queue list and a little FTP browser. mq4 You do not have the required permissions to view the files attached to this post. The platform provides a user-friendly interface to help you easily understand all functions and operation principles. ex4 Rating Awesome. This wikiHow teaches you how to open a Python file with your Windows computer's built-in Command Prompt program. Read more in articles below: Arduino MQ4 Gas Sensor ESP8266 Arduino Module Tutorial. 4 b Download. On the File Explorer Ribbon, switch to the View Tab. In there you simply click the "Compile" button and it will make the. Be sure to extract the files into the MQL4 or MQL5 folder of your MetaTrader data folder. With this advanced software, any ex4 file is decompiled in a number of minutes. Inside that folder you can see folder called [logs] where will log files from your MT4 Journals tab. 12 20 — 0 — 73 0 Please decompile and educated this EA, BT have amazing result starting. the mt4 dont see the file at all are you sure that you send the good file of the ea? Click to expand put both files mq4 and mqh into \MQL4\Experts\ folder. mq4 8 replies. mql4 reference guide Passfx trade mql4 pdf book. CSV Format for the Ramp Forex Chart Pattern Reconition Screener. Read MT4 Tutorial - Installing an MQL4 program. MQL4 language give you a limited things to do with it and there are a lot of things you can not do in MQL4. MT4 Setup Guide 4 IronF Global is authorised and regulated by FCA, ASIC, FSP, CRFI, UCRFI, CySEC Member of Eurex Exchange www. We offer: MT4 and MT5 EAs & Indicators, Latency and Hedge Arbitrage, Account Copiers, DDE, MT4 to FiX API. In today's short video we shall trade with the Accumulation Distribution Indicator which you see on the chart. MQL4 decompiling from EX4 to MQ4 In this article, we explain what the decompiling process is, as well as in what cases it can be useful. Programmers can access this file type in order to make changes to the EA or indicator. The File tab The File Tab can be your starting point • Open New Chart • Select your Proles • Open Data Folder • Open an Account • Login to Trade Account These are probably the most used functions of this tab. Download MetaTrader 4 for PC to receive the most powerful and convenient tool for technical analysis and trading in the markets. Having trouble opening a file? Type in the file extension below to learn about the file type and find the right program to open it. The International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH) is a unique project that brings together the regulatory authorities of Europe, Japan and the United States and experts from the pharmaceutical industry in the three regions to discuss scientific and technical aspects of product registration. You can read here - 13 450 — 6 да 5 340 290 EX4 to MQ4 MT4 Build 600. The program files are normal text files that have one of these extensions:. mq4 MetaTrader 4/5 robots,Experts and Indicators source code advisors,Forex Automated Trading Systems. For File Explorer. Mql4 forex robot. The MQL4 Source Code file type, file format description, and Mac, Windows, Linux, Android, and iOS programs listed on this page have been individually researched and verified by the FileInfo team. For the MQ4, just edit the last function in the file like this and then compile to ex4: bool customStart() { return IsTesting(); } If the EA is not running in the tester, it will not trade. 2 MT4 SETUP GUIDE The MQL4 Folder Before MT4 Build 600 (or version 600), EAs were located in the directory C:\Program Files\MetaTrader 4\experts ; indicators were located in the directory C:\Program Files\MetaTrader 4\experts\indicators. Learn to program in MQL4 and develop, test, and optimize your own algorithmic trading systems. Otherwise, read the next two lines and repeat. This MQ4 MT4 Expert Advisor Exports Real Time Historical Data Files in Simple. They appear near the top of the code to help the read gain an understanding of the variables that will run in the program. Here your will nd folders for EAs and Indicators. mq4 files in the indicators folder of your metatrader terminal. You can access these files in the “Presets” folder which is in your “experts” folder. When reading from a txt-file the string length is not required, and the string will be read from the current position to. 1- A text editor has the feature of highlighting different constructions of MQL4 language while you are writing/reading code. Ask Question Can I fetch the value straight from Quandl or do I have to save the dataset as a. Reads a string from a file. txt) and another EA should can read that values to get them as variables. It is an oscillator and we shall receive a buy or a sell signal ba. Be ready on your. We use the templates to duplicate the frequently used codes and save our coding time. Method Traders made it to perfection. ex4 file extension, write to us!. Then when importing, this data is read only. Content provided by Microsoft. It takes a few seconds, here we have a file that is called: “mt4setup. Named pipes provide interprocess communication between a pipe server and one or more pipe clients. Many people share. Viewing 6 posts - 1 through 6 (of 6 total) Forums>StrategyQuant>General Discussion>How to recover lost. This course assumes no prior programming or Forex knowledge, just a desire to learn and be successful. rar file format. It is not that hard. ExIso GUI makes easier to extract multiple iso with a queue list and a little FTP browser. MQL4 file format description. MQ4 or MetaTrader Custom Indicator Format file extension. ex4!, the compiled codes can not be read), as well as one or more screenshots of the indicator in question (it’s always easier for me to accurately reproduce the Metatrader4 indicator. That’s a fact. Learn to program in MQL4 and develop, test, and optimize your own algorithmic trading systems. ex4!, the compiled codes can not be read), as well as one or more screenshots of the indicator in question (it’s always easier for me to accurately reproduce the Metatrader4 indicator. In MQL5 there are no such functions, but there are their analogues. When you change a file's extension, you change the way programs on your computer read the file. Generally, these files are considered Developer Files. mqh" into the "Include" folder, 4) Copy the file ending in ". ex4 Heiken Ashl. The MQ4 files contain custom indicators, scripts and library files used by the program. Oh no! Some styles failed to load. For more general information about how to open MQ4 files, file extension mq4 and registry you can read one of the following articles: Windows registry - Windows registry is included in modern Windows operating systems to replace the older INI files which also contained system configuration. The File tab The File Tab can be your starting point • Open New Chart • Select your Proles • Open Data Folder • Open an Account • Login to Trade Account These are probably the most used functions of this tab. It’s a simple strategy where the EA opens a buy trade when the last 3 candles were bullish. You will learn how it does that in the next section. If you are looking for software that will allow you to open a file with the. MQL4 decompiling from EX4 to MQ4 In this article, we explain what the decompiling process is, as well as in what cases it can be useful. Select the timeframe that you wish to generate the FXT for. I read the whole book, but I don't really think this programming stuff is for me. JSON files are lightweight, text-based, human-readable, and can be edited using a text editor. When you generate. The International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH) is a unique project that brings together the regulatory authorities of Europe, Japan and the United States and experts from the pharmaceutical industry in the three regions to discuss scientific and technical aspects of product registration. Advantages There will be no variation regarding updates due to which no need to change or alter the programs comprise of new versions. When you install an expert advisor, you may have noticed two different types of files listed in the experts or indicators folder. MQL4 is of much benefit as it has seen that many brokers make use of MT4. the mt4 dont see the file at all are you sure that you send the good file of the ea? Click to expand put both files mq4 and mqh into \MQL4\Experts\ folder. writing expert advisors, custom indicators, scripts, and functions in MetaQuotes Language 4 (MQL4); testing and optimizing trading strategies. mq4 file from Find out the location of the installed MQL4 path *Note that: the MQL4 path might be different from the Metrader 4. 0 user(s) are reading this topic. You will learn how it does that in the next section. Content provided by Microsoft. If you are unable to log into delaGATE, please call the OIT Support Center at 610-359-5211. RAR, RAR Archive File (. 3 variables from an EA should be written into a file (. mq4 file, and the — ex4 file for implementation. MetaEditor will read these instructions and use them to generate the appropriated lines of code. MetaTrader 4 is equipped with an impressive set of advanced trading and analytical features. If you cannot program in MQL4, like me, then LET'S LEARN MQL4 TOGETHER. 2014-2019 E-mail:bullforyou. And in that data there is information about the language. I have zero programming experience, but think the indicator I want to add can benefit many individuals. html Results,,1,,-,,20,,of,,10000,,,,Need. 0 members. Fixed memory allocation and release problems of the original library. Here you will find Indicators folder. The problem of the normal file handling functions was the limited directories you can use for your output file: Directories limitation:. It’s pretty easy to code. There is no need to convert ex4 file to mq4 (besides, it is not possible). Move the tick data file (the CSV file) to MQL4\Files in the same MT4 data folder. write a title containing the name of the MT4 indicator, for example: "XYZ indicator, conversion code mq4 to prorealtime" in the post, add the. In its operation, tester uses an *. We are going to see some examples of inclusion of other files in a MQL4 program with the #include command. If you're looking for Professional MT4 and MT5 Programmers and would like to have a custom Expert Advisor, Indicator, Script, or DLL Libraries coded in MQL4 or MQL5 or any other trading platform - then you have come to the right place. FTP is built on a client-server model architecture using separate control and data connections between the client and the server. Disadvantage Variation in currency competences. The MQ4 file extension is known as the MetaTrader Custom Indicator File which was designed by MetaQuotes Software Corp. We'll show you how to view an MQ4 file you found on your computer or received as an email attachment, and what it's for. The Windows core kernel32.