Daily open line

ÿþ//------------------------------------------------------------------

#property copyright   "© mladen, 2017, mladenfx@gmail.com"

#property link        "www.forex-station.com"

//------------------------------------------------------------------



#property indicator_chart_window

#property indicator_buffers 1

#property indicator_plots   1

#property indicator_label1  "Daily open line"

#property indicator_type1   DRAW_ARROW

#property indicator_style1  STYLE_DOT

#property indicator_color1  clrGold



input int TimeShift = 0; // Time shift (in hours)

double openLine[];

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int OnInit() { SetIndexBuffer(0,openLine,INDICATOR_DATA); return(0); }

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[])

{

   if (Bars(_Symbol,_Period)<rates_total) return(-1);

      for (int i=(int)MathMax(prev_calculated-1,0); i<rates_total && !IsStopped(); i++)

      {

         string stime = TimeToString(time[i]+TimeShift*3600,TIME_DATE);

            openLine[i] = (i>0) ? (TimeToString(time[i-1]+TimeShift*3600,TIME_DATE)==stime) ? openLine[i-1] : open[i] : open[i];

      }

   return(rates_total);

}