sumMA

//+------------------------------------------------------------------+
//|                                                   OtherChart.mq4 |
//|                      Copyright © 2008, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "jax1000"
#property link      "jax1000@list.ru"


#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 Red
extern int period1=20;//íà÷àëüíûé ïåðèîä èíòåðâàëà
extern int period2=100;//êîíå÷íûé ïåðèîä èíòåðâàëà
extern int MA_Method=0;//ìåòîä ñãëàæèâàíèÿ ñêîëüçÿùåé
extern int Price=0;
extern int shift=0;//ñäâèã ñêîëüçÿùèõ, îòíîñèòåëüíî íîìåðà áàðà
extern int width=1;//òîëùèíà ëèíèè èíäèêàòîðà



//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
double Buffer[];






//+------------------------------------------------------------------+
//| expert initialization function                                   |
//+------------------------------------------------------------------+
int init()
  {
   
   SetIndexStyle(0,0,0,width);
   SetIndexBuffer(0,Buffer);
   SetIndexLabel(0,"SUM/MA");
       

   
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
    {
     int limit;
     int counted_bars=IndicatorCounted();
  //---- ïîñëåäíèé ïîñ÷èòàííûé áàð áóäåò ïåðåñ÷èòàí
     if(counted_bars>0) counted_bars--;
     limit=Bars-counted_bars;
  //---- îñíîâíîé öèêë
     for(int i=0; i<limit; i++)
       {string symbol=Symbol();
     Buffer[i]=MA(symbol,0,period1,period2,shift,MA_Method,Price,i);
   
    }
     
   return(0);
  }
//+------------------------------------------------------------------+
double MA(string symbol, int frame, int period1, int period2, int shift, int MA_Method, int Price, int z)
  {double s=period1;
   double res=0;
   double y=0;
   double d=0;
   while(s<(period2+1))
  {
   y=iMA(symbol,frame,s,shift,MA_Method,Price,z);
   d+=y;
   s++;
  }

   res=d/(period2+1-period1);
   return(res);
  }