إعادة برمجة مؤشر الغلاف

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Red          // Low / Minor
#property indicator_color2 Blue         // High / Major


//--- input parameters
input int TimeFrame=0;    // Timeframe
input int InpMinor=50;    // Low
input int InpMajor=50;   // High
//--- buffers
double ExtMinorBuffer[];
double ExtMajorBuffer[];

//---
int    ExtBegin;
//+------------------------------------------------------------------+
//| initialization                        
//+------------------------------------------------------------------+
void OnInit(void)
  {
   IndicatorDigits(Digits);
//---
   SetIndexStyle(0,DRAW_LINE);
   SetIndexBuffer(0,ExtMinorBuffer);
   SetIndexDrawBegin(0,InpMinor-1);
   SetIndexLabel(0,"Minor");
//---
   SetIndexStyle(1,DRAW_LINE);
   SetIndexBuffer(1,ExtMajorBuffer);
   SetIndexDrawBegin(1,InpMajor-1);
   SetIndexLabel(1,"Major");
//---
   ExtBegin=InpMajor;
   if(ExtBegin<InpMinor)
      ExtBegin=InpMinor;
//--- initialization done
  }
//+------------------------------------------------------------------+
//| H.L Indictor Lines                                             |
//+------------------------------------------------------------------+

int start()
{
   datetime TimeArray[];
   int i,limit,y=0,counted_bars=IndicatorCounted();

   ArrayCopySeries(TimeArray,MODE_TIME,Symbol(),TimeFrame);

   limit=Bars-counted_bars+TimeFrame/Period();
   
   for(i=0,y=0;i<limit;i++) 
   {
   if (Time[i]<TimeArray[y]) y++;
   double high_value_minor = iHigh(NULL,TimeFrame,iHighest(NULL,TimeFrame,MODE_HIGH,InpMinor,y));
   double low_value_minor =  iLow(NULL,TimeFrame, iLowest(NULL,TimeFrame,MODE_LOW ,InpMinor,y));
   ExtMinorBuffer[i]=high_value_minor-((high_value_minor-low_value_minor)*0.1);

   double high_value_major = iHigh(NULL,TimeFrame,iHighest(NULL,TimeFrame,MODE_HIGH,InpMajor,y));
   double low_value_major =  iLow(NULL,TimeFrame, iLowest(NULL,TimeFrame,MODE_LOW ,InpMajor,y));
   ExtMajorBuffer[i]=low_value_major-((high_value_major-low_value_major)*0.1);
   }
return(0);
}