Features of the mql5 language, subtleties and tricks - page 43
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In such cases it will work even without extra brackets.
Forum on trading, automated trading systems and testing trading strategies
Libraries: TypeToBytes
fxsaber, 2017.06.13 16:01
HistoryDealGetString functions, you need to specify the ticket_number again?
Tell me what is the point of the HistoryDealSelect function when the functions HistoryDealGetInteger, HistoryDealGetDouble,
HistoryDealGetString functions, you need to specify ticket_number again?
Forum on trading, automated trading systems and trading strategies testing
Peculiarities of mql5 language, tips and tricks
fxsaber, 2017.06.07 22:20
Their contents can be influenced only through HistorySelect-functions. And it happens in the following way
Is there any limitation on the number of placed graphical objects on the chart? I mean not pixel graphics, but graphical elements - trend lines, rectangles, etc.
tried more than 2000 - it worked
How will it be less expensive in terms of resources if you need to make changes on every tick:
1. to use 2000 graphical objects
2. use class Canvas and create on each tick one drawing with the same 2000 drawings of graphical objects
How will it be less expensive in terms of resources if you need to make changes on every tick:
1. to use 2000 graphical objects
2. use the class Canvas and create on every tick one figure containing the same 2000 drawings of graphical objects
Canvas will be several times more productive, I tried it.
I can't deal with Canvas, for example I need to draw an array of horizontal lines on the chart, can you throw the example code?
Oops )) It turns out that the Help is more extended on the site, I found what I'm looking for - the CLineChart class ))