///////////////////\\\\\\\\\\\\\\\\\\
//////////   Extend_Box  \\\\\\\\\\\\
////////////  Fillellin  \\\\\\\\\\\\
///////////////////\\\\\\\\\\\\\\\\\\

#property     indicator_chart_window
#property     description                   "© Extend Box"
#property     copyright		                 "Copyright © 2017, Alexander Voronkov / Fillellin"
#property     strict
#property     link				              "https://www.mql5.com/ru/users/fillellin"

input         string NameObject   = "ext";  // Object Prefix Name:
input         int    MoveObjRight = 2;      // Move Object Right:

//———————————————————————————————————————————————————————————————|

void OnChartEvent(const int     id,
                  const long   &lparam,
                  const double &dparam,
                  const string &sparam)
                           {if (id == CHARTEVENT_OBJECT_CLICK
                            ||  id == CHARTEVENT_CHART_CHANGE)
                                ChartSetSymbolPeriod(0,NULL,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[])
{
//————————————————————————————————————————————————————|

       int     objTotals = ObjectsTotal(); string name;
   for(int i = objTotals - 1; i >= 0; i--)
   {                name = ObjectName(i);
      if(StringFind(name , NameObject)== 0)
         ObjectSet (name,OBJPROP_TIME2,time[0]+MoveObjRight*PeriodSeconds());
   }
   return(rates_total);
}

//—————————————————————————| end of the algorithm |—————————————————————————|