Code: Select all

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[]){
   
   int counted_bars=IndicatorCounted();
   int limit;

   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
           limit=MathMin(Bars-1,Bars-counted_bars);

   for (int i=limit; i>=0; i--)
   {
	//Do work
   }
   return(rates_total);
}

Code: Select all

global int MyBarsCalculated=0;
OnTick(){
	if(Bars>=MyBarsCalculated){
		//if I had 10 bars and one more has come in so Bars is now 11 need to recalc bar with index 1 and 0 (currently forming)
		Loop from (Bars-MyBarsCalculated) to >=0 and do work;
		MyBarsCalculated=Bars	
	} 
}

Code: Select all

void OnTick()
{
   static int _countedBars=0;
      int limit = MathMin(MathMax(Bars-_countedBars,0),Bars-1);
		//if I had 10 bars and one more has come in so Bars is now 11 need to recalc bar with index 1 and 0 (currently forming)
		Loop from (limit) to >=0 and do work;
		
		_countedBars=Bars	
}