Mql5 documentation pdf

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However, users who scarcely know programming still perceive OOP as something too complicated. In a sense, this book is aiming at making complex things simple. It is not to replace, but to be added to the MQL5 Language Reference that is supplied with the terminal and also available on the mql5. In this book, we are going to consistently tell you about all the components and techniques of programming in MQL5, taking baby steps so that each iteration is clear and the OOP technology gradually unlocks its potential that is especially notable, as with any powerful tool, when it is used properly and reasonably. As a result, the developers of MQL programs will be able to choose a preferred programming style suitable for a specific task, i.

Mql5 documentation pdf

This article is aimed at beginners who wish to learn how to write simple Expert Advisors in the new MQL5 language. We will begin first by defining what we want our EA Expert advisor to do, and then move on to how we want the EA to do it. The above is called a trading strategy. Before you can write an EA, you must first develop the strategy that you want to automate into the EA. So in this case, let us modify the above statement so that it reflects the strategy we want to develop into an EA. We will use an indicator called Moving Average with a period of 8 You can choose any period, but for the purpose of our strategy, we will use 8 We want our EA to place a Long Buy trade when the Moving Average-8 for the sake of our discussion, I will refer to it as MA-8 is increasing upwards and the price is close above it and it will place a Short Sell when MA-8 is decreasing downwards and the price is close below it. We are also going to use another indicator called Average Directional Movement ADX with period 8 also to help us determine whether the market is trending or not. We are doing this because we only want to enter the trade when the market is trending and relax when the market is ranging that is, not trending. To achieve this, we will only place our trade Buy or Sell when above conditions are met and the ADX value is greater that We want to also protect ourselves by setting a Stop loss of 30 pips, and for our Profit target; we will target a profit of pips. We have now developed our strategy; it is now time to start writing our code. Writing an Expert Advisor. Begin by launching the MetaQuotes Language Editor 5.

That way, we have a lot of flexibility to be able to configure visualization templates for setups of different strategies.

Views 7, Downloads 1, File size 6MB. Full description. Foreword 2. Acknowledgments 3. Conventions 4. All rights reserved. This e-book or any part thereof may not be reproduced or used in any way without the express written permission of the author or publisher, except for the use of short quotations in a review of the e-book.

MetaQuotes Language 5 MQL5 is a high-level language designed for developing technical indicators, trading robots and utility applications, which automate financial trading. MQL5 has been developed by MetaQuotes for their trading platform. In addition to the MQL5 language, the trading platform package also includes the MetaEditor IDE with highly advanced code writing tools, such as templates, snippets, debugging, profiling and auto completion tools, as well as built-in MQL5 Storage enabling file versioning. The language support is available on the MQL5 Algotrading community website, which contains a huge free CodeBase and a plethora of articles. These articles cover all the aspects of the modern trading, including neural networks, statistics and analysis, high-frequency trading, arbitrage, testing and optimization of trading strategies, use of trading automation robots, and more. Traders and MQL5 program developers can communicate on the forum, order and develop applications using the Freelance service, as well as buy and sell protected programs in the Market of automated trading applications. The MQL5 language provides specialized trading functions and predefined event handlers to help programmers develop Expert Advisors EAs , which automatically control trading processes following specific trading rules. This MQL5 language reference contains functions, operations, reserved words and other language constructions divided into categories. The reference also provides descriptions of Standard Library classes used for developing trading strategies, control panels, custom graphics and enabling file access.

Mql5 documentation pdf

The Trading Platform is the trader's working tool, providing all the necessary features for a successful online trading. It includes trading , technical analysis of prices and fundamental analysis , automated trading and trading from mobile devices. In addition to Forex symbols, options futures and stocks can be traded from the platform. The platform provides a wide set of trading tools. It supports four order execution modes : Instant, Request, Market and Exchange execution. All types of orders are available in the platform, including market, pending and stop-orders. With such a diversity of order types and available execution modes, traders can implement various trading strategies for successful performance in the currency markets and stock exchanges. The platform also features One-Click Trading and provides functions for trading straight from the chart. The trading platform provides powerful analytical functions. The analytical resources of the trading platform are not limited to the built-in indicators only.

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After the enumeration is declared, a new integer-valued 4-byte data type appears. Returns the string value property of the specified chart. Some with more data and some with less. The first byte is ignored, the remaining 3 bytes contain the RGB-components. Custom indicators, as well as standard ones, cannot trade automatically, but only implement analytical functions. I think you can leave the EA to work for a few more minutes while you take a coffee. Let me make something very clear to you here. In order to correctly compare two real numbers, compare the normalized difference of these numbers with zero. By the left hand side, on the gray field near the border of the code line, double-click and you will see a small round blue button with a white square inside it. Get the array of values for all events in a specified time range by an event ID. It contains, in its structure, all the fields necessary for performing a trade deal. Array Functions. A script code must contain the OnStart handler function. The Strategy Tester Agents tab during a test Journal Tab This is where all the events going on during the test period is displayed Figure Either date year , month, day or time hours, minutes, seconds , or all together can be omitted.

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If a default constructor is not declared in the base class, and at the same time one or more constructors with parameters are declared, you should always call one of the base class constructors in. Include File is a source text of the most frequently used blocks of custom programs. Defines the end of a line in a text file in the process of reading. Provides closing of Depth of Market for a selected symbol, and cancels the subscription for receiving notifications of the DOM changes. Other operations Indexing [] W hen addressing the i-th element of the array, the expression value is the value of a variable with the serial number i. Returns a value of integer type bool, int or long of the corresponding account property. That is, a unique name must be always specified after the enum keyword. During the union declaration, the compiler automatically allocates the memory area sufficient to store the largest type by volume in the variable union. Converting an enumeration value of any type to string. Therefore, the union provides the ability to interpret the same bit sequence in two or more different ways. These are just small examples of the avalanche of modifications and benefits brought in from the world shouting for change. As well as reference, the pointer allows having access to an object. Money Management Completes transaction execution. Returns the requested property of the order string.