Open[], High[], .. Volume[] equivalent in MQL5

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Hi,

is there an equivalent for Open[], High[], .. Volume[] of MQL4 in MQL5?

Actually I am using Volume[i] in OnInit for a volume-indicator in a separate chart-window to set the max. and min.

int OnInit() {
   ...
   while(b-->0) {
      lMin = fmin(lMin,Volume[b]);
      lMax = fmax(lMax,Volume[b]);
   }
   IndicatorSetDouble(INDICATOR_MINIMUM,lMin*0.9);
   IndicatorSetDouble(INDICATOR_MAXIMUM,lMax*1.0);
   ...
}
But Volume[] isn't supported in MQL5 - do I have to use iVolume(_Symbol, ...) or is there a (faster) similar 'direct' way?
 
long volume_=volu(1);


////////////////////////////////////////////////////////////////
long volu(int CC)
{
long volumes[];
CopyTickVolume(Symbol(),0,CC,1,volumes);

return(volumes[0]);
}
 
Carl Schreiber:

Hi,

is there an equivalent for Open[], High[], .. Volume[] of MQL4 in MQL5?

...

Forum on trading, automated trading systems and testing trading strategies

How to get the OHLC of the last 1 min bar?

Alain Verleyen, 2016.11.09 23:04

With CopyXXX() functions. CopyRates() will give you OHLC.


   MqlRates rates[1];
   if(CopyRates(Symbol(),PERIOD_M1,0,1,rates)!=1) { /*error processing */ };

   /* USAGE: rates[0].open ; rates[0].high ; rates[0].low ; rates[0].close */

And also rates[0].tick_volume
 

So this means there are no array of values which I directly can access like Volume[i].

I have to have a dynamic array which will be resized and I have to loop though this dynamic array - correct?

 
Carl Schreiber:

So this means there are no array of values which I directly can access like Volume[i].

I have to have a dynamic array which will be resized and I have to loop though this dynamic array - correct?

Yes and no.

It doesn't have to be a dynamic array, but yes there no "direct access" like in mql4.

You don't have to loop to find a minimum, maximum, you can use ArrayMinimum(), ArrayMaximum() functions. (By the way these functions exist also in mql4).

 
Alain Verleyen:

Yes and no.

It doesn't have to be a dynamic array, but yes there no "direct access" like in mql4.

You don't have to loop to find a minimum, maximum, you can use ArrayMinimum(), ArrayMaximum() functions. (By the way these functions exist also in mql4).

ok - but either me in one loop or ArrayMinimum() and ArrayMaximum() in two separate loops have to do that.
 
You may try my library for porting MT4 indicators to MT5.
 
Thanks to all of you - even though it is not totally what I was looking for.
 
Carl Schreiber:
Thanks to all of you - even though it is not totally what I was looking for.
You asked for equivalent of Open[], .. Volume[]. All you need is include the library. Then Volume[] will be defined, and your code should compile and run as expected.
 
You are right, but I try to use functions variables, ... that are supported by mql5 as well - and Open[], High[],.. Volume[] aren't.
 
Carl Schreiber:
ok - but either me in one loop or ArrayMinimum() and ArrayMaximum() in two separate loops have to do that.
So what is the problem ? I don't get it.
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