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1

SymbolInfoDouble for symbol not in market watch

Hey folks, I'm accessing many symbols based on EA settings. Those symbols might not be in the market watch of the user. I use SymbolInfoTick , SymbolInfoInteger and SymbolInfoDouble accessing the symbols (checking the price, swap, volume, etc.) They fail or return 0 in case a symbol is not in market

1

Sane way to deallocate strings from DLL

My DLL specifically constructs strings for my MQL5 code (eg UTF16, null terminated, on the heap). As far as I understood, metatrader will then automatically copy this string for the EA to use. The problem now is that the specifically constructed string still lies somewhere in memory, causing a

25

Callback to MQ5 code from DLL

A DLL is a major part of my expert advisor. This DLL should be able to send signals to my MT5 terminal. This would either require polling, or a callback. Such callback could for example be utilized to make a trade copier. But it does not seem possible to pass functions as parameters in MQ5, neither