Point Value In Money calculation (Indicator to EA Function)

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Hello,


I am trying to calculate Point Value and the code is working fine with Indicator but when i try same code with EA function it not working.


Indicator code : 

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[])
  {
//---
   string CommentString="";
   string DepositCurrency=AccountInfoString(ACCOUNT_CURRENCY);
   
   double PipValue=(((MarketInfo(Symbol(),MODE_TICKVALUE)*Point)/MarketInfo(Symbol(),MODE_TICKSIZE))*LotSize);
   
   CommentString+="\n" + "Your deposit currency: " + DepositCurrency + "\n";
   CommentString+="Lot size requested: " + DoubleToStr(LotSize,2) + "\n";
   CommentString+="-----------------------------------------------------------------\n";
   CommentString+="Value of one point (" + Symbol() + "):  $" + DepositCurrency + " " + DoubleToStr(PipValue,3) + "\n";
   CommentString+="-----------------------------------------------------------------\n";

   Comment(CommentString);

//--- return value of prev_calculated for next call
   return(rates_total);
  }


Trying to convert into EA function : 


double PointValue(int pointvalue_lotsize)
  {
   double PointValues;
      PointValues = PointValue_Calculate=(((MarketInfo(Symbol(),MODE_TICKVALUE)*Point)/MarketInfo(Symbol(),MODE_TICKSIZE))*pointvalue_lotsize);

   return PointValues;
  }


Indicator Output for EURUSD :  1 Lot => 1.000 , 0.1 => 0.100 , 0.01 => 0.010

EA Function Output : 1 Lot => 1 Lot (PointValue(1)) => 1.000, 0.1 Lot (PointValue(1)) => 0.000, 0.01 Lot (PointValue(1)) => 0.000

Why it not working for EA function like Indicator?

  
double PointValue(int pointvalue_lotsize)                                                                               // 
  {                                                                                                                     // danger
   double PointValues;                                                                                                  // type casting
      PointValues = PointValue_Calculate=(((MarketInfo(Symbol(),MODE_TICKVALUE)*Point)/MarketInfo(Symbol(),MODE_TICKSIZE))*pointvalue_lotsize);

   return PointValues;
  }

double PointValue(double pointvalue_lotsize) ..
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