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hi i have a indicator how to call my indicator function in to my EA?

Thank you. 

 
Hello read this iCustom function
 
Aleksey Pak:
Hello read this iCustom function
thank you
 

this is my spread indicator. 

how do add this function in my EA. 

any help & this is not my code i download from somewhere ??? 

//+------------------------------------------------------------------+
//|                                                                        Spread |
//|                                  Copyright © ,| |
//+------------------------------------------------------------------+
#property copyright "Copyright © "
#property link      "http://forexproguide.weebly.com/"
#property version   "1.00"
#property description "Spread - displays current spread in the chart window."
#property description "Font, location and normalization can be defined in input parameters."
//---
//--- no graphical constructions
#property indicator_plots   0
//---
input color font_color=Red;
input int font_size=14;
input string font_face="Arial";
input ENUM_ANCHOR_POINT corner=ANCHOR_LEFT_UPPER;
input int spread_distance_x = 400;
input int spread_distance_y = 0;
input bool normalize=false; //If true then the spread is normalized to traditional pips
//---
double Poin;
int n_digits=0;
double divider=1;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
void OnInit()
  {
   IndicatorSetString(INDICATOR_SHORTNAME,"Spread");
//--- checking for unconvetional Point digits number
   if(_Point==0.00001) Poin=0.0001; //5 digits
   else if(_Point==0.001) Poin=0.01; //3 digits
   else Poin=_Point; //Normal
//---
   ObjectCreate(0,"Spread",OBJ_LABEL,0,0,0);
   ObjectSetInteger(0,"Spread",OBJPROP_ANCHOR,corner);
   ObjectSetInteger(0,"Spread",OBJPROP_XDISTANCE,spread_distance_x);
   ObjectSetInteger(0,"Spread",OBJPROP_YDISTANCE,spread_distance_y);
   double spread=(double)SymbolInfoInteger(Symbol(),SYMBOL_SPREAD);
//---
   if((Poin>_Point) && (normalize))
     {
      divider=10.0;
      n_digits=1;
     }
//---   
   ObjectSetString(0,"Spread",OBJPROP_TEXT,"Spread: "+DoubleToString(NormalizeDouble(spread/divider,1),n_digits)+" points.");
   ObjectSetString(0,"Spread",OBJPROP_FONT,font_face);
   ObjectSetInteger(0,"Spread",OBJPROP_FONTSIZE,font_size);
   ObjectSetInteger(0,"Spread",OBJPROP_COLOR,font_color);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
   ObjectDelete(0,"Spread");
  }
//+------------------------------------------------------------------+
//| Data Calculation Function for Indicator                          |
//+------------------------------------------------------------------+
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[])
  {
   double myspread=(SymbolInfoDouble(_Symbol,SYMBOL_ASK)-SymbolInfoDouble(_Symbol,SYMBOL_BID))/_Point;
//---
   ObjectSetString(0,"Spread",OBJPROP_TEXT,"Spread: "+DoubleToString(NormalizeDouble(myspread/divider,1),n_digits)+" points.");
   ObjectSetString(0,"Spread",OBJPROP_FONT,font_face);
   ObjectSetInteger(0,"Spread",OBJPROP_FONTSIZE,font_size);
   ObjectSetInteger(0,"Spread",OBJPROP_COLOR,font_color);
//---
   return(0);
  }
//+------------------------------------------------------------------+
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