When does MarketInfo function is getting data...

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When was run indicator (script or expert), once the program is started after received tick, does the MarketInfo function is making adittional requests (and every time) from server for every call of the MarketInfo(symbol,22) or other MarketInfo(symbol,nn) ?
 
marketdata gets data from last tick before script started. To refresh that data call RefreshRates().
 
So all MarketInfo data are received with the incomed tick, about 27.
Does that ~27 MarketInfo data are received with the tick only for the symbol opened chart or for the all symbols shown in Market Watch symbols panel group?
 
you can call marketdata for any available symbol
 
Thank you irusoh1,
I wanted to know for example calling MarketInfo() for symbol shown in panel but no chart for that same one for tick size or server tick time, does that marketdata is already received with previous tick or is making additional request from the server?
 

Can't say for sure... maybe MT people can answer that.

 
MarketInfo does not request server and take last known data.
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