High_N

#property copyright "Copyright © 2014 Serkov Alexandr"
#property link      "serkov-alexandr@mail.ru"
//+------------------------------------------------------------------+
//| Properties                                                       |
//+------------------------------------------------------------------+
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Green
#property indicator_color2 Red
#property indicator_width1 3
#property indicator_width2 3
extern int N=10;
double     Buf1[];
double     Buf2[];
//+------------------------------------------------------------------+
//| Initialization                                                   |
//+------------------------------------------------------------------+
int init()
  {SetIndexStyle(0,DRAW_LINE);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexDrawBegin(1,1);
   IndicatorDigits(Digits+1);
   SetIndexBuffer(0,Buf1);
   SetIndexBuffer(1,Buf2);
   if(N<=0) N=3;
   return(0);}
//+------------------------------------------------------------------+
//| Main function                                                    |
//+------------------------------------------------------------------+
int start()
 {int i;bool dir;
  
  for(i=Bars-2*N;i>=0;i--)
  {if(High[i]>High[i+N])
    dir=true;
    if(Low[i]<Low[i+N])
    dir=false;  
    if(dir==true)
    {Buf1[i]=High[i];Buf1[i+1]=High[i+1];}
    else
    {Buf2[i]=Low[i];Buf2[i+1]=Low[i+1];}}
 return(0);}