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MQL5 Programming Articles
Study the MQL5 language for programming trading strategies in numerous published articles mostly written by you - the community members. The articles are grouped into categories to help you quicker find answers to any questions related to programming: Integration, Tester, Trading Strategies, etc.
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MQL5 for Newbies: Guide to Using Technical Indicators in Expert Advisors
In order to obtain values of a built-in or custom indicator in an Expert Advisor, first its handle should be created using the corresponding function. Examples in the article show how to use this or
Event handling in MQL5: Changing MA period on-the-fly
Suppose that simple MA (Moving Average) indicator with period 13 is applied to a chart. And we want to change the period to 20, but we do not want to go to indicator properties dialog box and edit the
How to call indicators in MQL5
With new version of MQL programming language available not only the approach of dealing with indicators have changed, but there are also new ways of how to create indicators. Furthermore, you have
Custom Indicators in MQL5 for Newbies
Any new subject seems complicated and hard-to-learn for a newbie. Subjects that we know seem very simple and clear to us. But we simply do not remember, that everyone has to study something from
The Order of Object Creation and Destruction in MQL5
Every object, whether it is a custom object, a dynamic array or an array of objects, is created and deleted in MQL5-program in its particular way. Often, some objects are part of other objects, and
MQL5.community - User Memo
You have just registered and most likely you have questions such as, "How do I insert a picture to my a message?" "How do I format my MQL5 source code?" "Where are my personal messages kept?" You may
How to Export Quotes from МetaTrader 5 to .NET Applications Using WCF Services
Want to organize export of quotes from MetaTrader 5 to your own application? The MQL5-DLL junction allows to create such solutions! This article will show you one of the ways to export quotes from
Applying One Indicator to Another
When writing an indicator that uses the short form of the OnCalculate() function call, you might miss the fact that an indicator can be calculated not only by price data, but also by data of some
The Price Histogram (Market Profile) and its implementation in MQL5
The Market Profile was developed by trully brilliant thinker Peter Steidlmayer. He suggested to use the alternative representation of information about "horizontal" and "vertical" market movements
How to Exchange Data: A DLL for MQL5 in 10 Minutes
Now not so many developers remember how to write a simple DLL, and what are special features of different system binding. Using several examples, I will try to show the entire process of the simple
Data Exchange between Indicators: It's Easy
We want to create such an environment, which would provide access to data of indicators attached to a chart, and would have the following properties: absence of data copying; minimal modification of
MQL5: Create Your Own Indicator
What is an indicator? It is a set of calculated values that we want to be displayed on the screen in a convenient way. Sets of values are represented in programs as arrays. Thus, creation of an
Here Comes the New MetaTrader 5 and MQL5
This is just a brief review of MetaTrader 5. I can't describe all the system's new features for such a short time period - the testing started on 2009.09.09. This is a symbolical date, and I am sure
Step on New Rails: Custom Indicators in MQL5
I will not list all of the new possibilities and features of the new terminal and language. They are numerous, and some novelties are worth the discussion in a separate article. Also there is no code
Auto-Generated Documentation for MQL5 Code
Most Java coders will be familiar with the auto-generated documentation that can be created with JavaDocs. The idea is to add comments into the code in a semi-structured way that can then be extracted