Discussion of article "Library for easy and quick development of MetaTrader programs (part XVI): Symbol collection events"
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New article Library for easy and quick development of MetaTrader programs (part XVI): Symbol collection events has been published:
In this article, we will create a new base class of all library objects adding the event functionality to all its descendants and develop the class for tracking symbol collection events based on the new base class. We will also change account and account event classes for developing the new base object functionality.
Now let's launch the EA in the tester with two symbols and see what entries it will show.
In the tester settings, for the Mode of used symbols list EA input parameter, select "Working with the specified symbol list" from the drop-down list, while in the List of used symbols (comma - separator) parameter, enter two comma-separated symbols: EURUSD,GBPUSD and launch the visual EA test:
The entries about the events of both symbols (in particular, the ones related to spread changes in the used symbols) are sent to the journal. When changing the account properties (in our case, it is an increase of the current profit), the appropriate entries are sent to the journal and profitable positions are closed.
Author: Artyom Trishkin