How to Calculate only on new Bar? | Forex Factory

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How to Calculate only on new Bar?

  • #1
  • First Post: Jul 17, 2014 3:47pm Jul 17, 2014 3:47pm
Im writting an indicator for MT4, however I would like that calculation process is not run on every tick, only on new bars.

Can you point me to the code to do this?

Thanks in advance
  • #2
  • Jul 17, 2014 4:24pm Jul 17, 2014 4:24pm
pls. use forumsearch or e.g. google (for example: mql4 + on new bar) ...
PM me with coding requests and I'll probably put you on my ignore list
  • #3
  • Jul 17, 2014 4:45pm Jul 17, 2014 4:45pm
You have to understand rates_total vs prev_calculated parameters of OnCalculate function.
On a new bar they will differ by 1 (there are exceptions to that rule, i.e. at beginning and also other cases), because rates_total will increase by one, while prev_calculated will not; and otherwise be equal because you return rates_total which will become prev_calculated at next call.

In example:
Inserted Code
int OnCalculate(...)
{
  int limit=rates_total-prev_calculated;
  for(int i=0; i<limit; i++){
    // calc here //
  }
  return(rates_total);
}
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  • #4
  • Last Post: Jul 17, 2014 4:57pm Jul 17, 2014 4:57pm
Use the time function. If the last bar time is not equal to the current bar time, then it is a new bar.
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