Questions from Beginners MQL5 MT5 MetaTrader 5 - page 50

[Dimka-novitsek]

Here, too. Apparently, NormalizeDouble requires int, but in fact declared long DIGITS_ = SymbolInfoInteger(a_symbol,SYMBOL_DIGITS); But why int, if generally no more than 10 decimal places in practice? What's the best way to remove the notice in this code?

[Dimka-novitsek]

Oops, so this long is just the opposite just huge!!!!!

It's just that int DIGITS_ = SymbolInfoInteger(a_symbol,SYMBOL_DIGITS); Also draws a remark!

[Yedelkin]

Dimka-novitsek: It's just that int DIGITS_ = SymbolInfoInteger(a_symbol,SYMBOL_DIGITS); Also draws a remark!

int DIGITS_=(int)SymbolInfoInteger(a_symbol,SYMBOL_DIGITS);   

[Dimka-novitsek]

Thank you!!!!

[Yedelkin]

Dimka-novitsek: Thanks to!!!!

Second point: price values come from the server normalised, so there is not much point in additionally normalising the value BID_=last_tick.bid (lines 4216-4217).

[Dimka-novitsek]

Tell me what he doesn't like. Yes, the pyrimene magik is globally announced like this, so what?

  input string slugebi = "Служебное";
   string slugeb =  slugebi ;
  input int slipi=3;
   int slip = slipi;
  input int MaxAttemptsi=14;
   int MaxAttempts= MaxAttemptsi;
  input int MAGICi=14446;
   int MAGIC= MAGICi;
  input string Comment_i= "   fixed14";
   string Comment_ =  Comment_i ; 


/////////////////////////////

[Dimka-novitsek]

AAAA!!!!!! You know, looked and looked - I think I got it!!!! The variable is already declared globally, and if I declare it again, its value can become anything. But this is a function, what is declared inside the function is not visible globally, but only inside the function.

[Yedelkin]

Dimka-novitsek: Tell me what he doesn't like. Yes, the variable magik is declared globally like this, so what?

It's a warning that declaring a variable on the specified line hides a variable of the same name declared on line 250. See the scope of variables section in the Reference Manual.

[Dimka-novitsek]

Thank you!!!!

[Dimka-novitsek]

So, you can see the declared inside accordingly, but does that make the global one go away? OK, thanks, I'll revise it now, I'll probably rename it!