Mql5 documentation pdf

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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.

Mql5 documentation pdf

Classes and I nterfaces 96 Dynamic Array Object Typecasting Types Object Pointers Operations Assignment Operations Operations Rules Operators Operator Expression Operator Return Operator Operator if-else Ternary Operator Operator Object Create Operator new Object Delete Operator delete Functions Call Passing Parameters

Returns a ticket of a corresponding deal in the history.

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.

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.

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The end condition is checked, after each loop. Step into command in action. Empty Operator Consists only of a semicolon ; and is used to denote an empty body of a control operator. Returns a string value of a corresponding property of a running mql5 program. Deletes global variables with the specified prefix in their names. It is very important to participate in communities of developers, because with this our learning and the motivational side are enhanced. Returns the arc tangent of x in radians. In our case, we used it to determine which of the position we already have opened. In the second example the variable of the char type c1 is converted to a temporary variable of the double type, because the second operand in the division operation, the constant 2. S uch a description of aligned structures is necessary only for transferring to imported dll-functions. Now we can position the mouse cursor over any candle of the graph to obtain detailed information of prices and indicators in the place chosen. Logical and Conditional Relationships 5.

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Rounding of a floating point number to a specified accuracy. Converting a numeric value to a text line with a specified accuracy. After clicking on the icon for MetaEditor we will have a development environment with three main areas that will assist us in the development of our codes. The objects of the structures should be members of the same union — see the example in union. Here is an example of a three-position array declaration for storing integer numbers: If we try to do: This compilation error happens because we made an initial statement myArray [3] to allocate only 3 memory locations and we are trying to add a fourth position. As a result, the developers of MQL programs will be able to choose a preferred programming style suitable for a specific task, i. Returns a value of an integer type long, datetime, int or bool of a specified symbol for the corresponding property. Fills an array with the specified value. Checks whether data of a selected symbol in the terminal are synchronized with data on the trade server. Expert Advisor prints the message in Debug mode. Basically, we have two reference levels that we must choose for the activation trigger of the overbought or oversold.