Questions from Beginners MQL4 MT4 MetaTrader 4 - page 136

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You should therefore think 100 times before using static variables in an EA. In a script or indicator is another matter.
I see, thank you for your answer.
Hi. Could you advise me how to close an order after a certain time?
There is no BRN oil symbol in the mobile version.
It could be called something else. For example, I know the BCOUSD variant.
It may be called something else. For example, I know of a variant called BCOUSD.
Will trade orders be executed from the indicator in MQL4?
The compiler doesn't complain about them, it doesn't give any error messages.
Of course I will check it myself, but can anyone tell me right away?
Will trade orders be executed from the indicator in MQL4?
The compiler doesn't complain about them, it doesn't give any error messages.
Of course, I will check it, but maybe somebody will tell me right away.
No, they won't. The documentation directly states that they won't. There are other limitations for indicators, take a look.
They won't. This is explicitly stated in the documentation. There are other restrictions for indicators, look it up.
It's strange, why the compiler doesn't inform about it, when it sees the trade commands in the indicator code.
We'll have to pull the trading part out of the indicator into the EA now, linking it to it via ICustom().
It looks like "no tail on the mare and a bow on the side".