//+------------------------------------------------------------------+
//| HighLow_Custom.mq4 |
//+------------------------------------------------------------------+

#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 DodgerBlue
#property indicator_color2 Black
#property indicator_color3 DodgerBlue
//---- indicator buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];

extern string Time_Frame_value = "0,M1,M5,M15,M30,H1,H4,D1,W1,MN1";
extern ENUM_TIMEFRAMES Time_Frame = PERIOD_M5;
extern bool Value2_On_Off=false;
int timeFrame;

//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init() {

   if (Time_Frame == PERIOD_M5) {

    

   }

   if (Time_Frame< Period()) {

      Alert("The timeframe must be higher than the current");
      deinit();

   }

   SetIndexBuffer(0, ExtMapBuffer1);
   SetIndexStyle(0, DRAW_LINE);
   SetIndexBuffer(1, ExtMapBuffer2);
   SetIndexStyle(1, DRAW_LINE);
   SetIndexBuffer(2, ExtMapBuffer3);
   SetIndexStyle(2, DRAW_LINE);
   
   return(0);
   
}

//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit() {

   Comment("");
   return(0);
   
}

//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start() {

   int shift, i, CurDay, BarCount;
   double DayMax, DayMin;
   double DayOpen, DayClose, Avg;

   for (shift=Bars-1; shift>=0; shift--) {
   
      int timeFrameIndex = iBarShift(NULL, Time_Frame, Time[shift], true);
   
      if (CurDay != iTime(NULL,Time_Frame, timeFrameIndex)) {
      
         for (i=BarCount; i>=0; i--) {
         
            ExtMapBuffer1[shift+i] = DayMax;
            ExtMapBuffer2[shift+i] = (DayMax+DayMin)/2;
            ExtMapBuffer3[shift+i] = DayMin;
            
         }
         
         CurDay = iTime(NULL, Time_Frame, timeFrameIndex);
         BarCount = 0;
         DayMax = 0;
         DayMin = 1000;
         if(Value2_On_Off)
         DayMin = 10000;
         
         DayOpen = Open[shift];
         
      }

      if (DayMax < High[shift]) {
      
         DayMax = High[shift];
         
      }
      
      if (DayMin > Low[shift]) {
      
            DayMin = Low[shift];
            
      }
      
      BarCount = BarCount + 1;
   }

   for (i=BarCount; i>=0; i--) {
   
      ExtMapBuffer1[shift+i] = DayMax;
      ExtMapBuffer2[shift+i] = (DayMax+DayMin)/2;
      ExtMapBuffer3[shift+i] = DayMin;
      
   }
   
   DayClose = Close[0];
   Avg = (DayMax+DayMin)/2;

   return(0);
   
}
//+------------------------------------------------------------------+