//+------------------------------------------------------------------+
//|                                          Any Pair Stochastic.mq5 |
//+------------------------------------------------------------------+
#property copyright   "chandra100"
#property link        "bala100gain@gmail.com"
#property version   "1.00"
#property indicator_separate_window
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
#property indicator_buffers 4
#property indicator_plots   2
#property indicator_type1   DRAW_LINE
#property indicator_type2   DRAW_LINE
#property indicator_color1  LightSeaGreen
#property indicator_color2  Red
#property indicator_style2  STYLE_DOT
//--- input parameters
input int InpKPeriod=5;  // K period
input int InpDPeriod=3;  // D period
input int InpSlowing=3;  // Slowing
//--- indicator buffers
double    ExtMainBuffer[];
double    ExtSignalBuffer[];
double    ExtHighesBuffer[];
double    ExtLowesBuffer[];
input string Pair="EURUSD";
int       rsi_handle;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
   rsi_handle=iStochastic(Pair,Period(),InpKPeriod,InpDPeriod,InpSlowing,MODE_SMA,STO_LOWHIGH);
   if(rsi_handle==INVALID_HANDLE)
     {
      Print(" Error in creating of iStochastic");
      return(INIT_FAILED);
     }
//--- indicator buffers mapping
   SetIndexBuffer(0,ExtMainBuffer,INDICATOR_DATA);
   SetIndexBuffer(1,ExtSignalBuffer,INDICATOR_DATA);
   SetIndexBuffer(2,ExtHighesBuffer,INDICATOR_CALCULATIONS);
   SetIndexBuffer(3,ExtLowesBuffer,INDICATOR_CALCULATIONS);
//--- set accuracy
   IndicatorSetInteger(INDICATOR_DIGITS,2);
//--- set levels
   IndicatorSetInteger(INDICATOR_LEVELS,2);
   IndicatorSetDouble(INDICATOR_LEVELVALUE,0,20);
   IndicatorSetDouble(INDICATOR_LEVELVALUE,1,80);
//--- set maximum and minimum for subwindow 
   IndicatorSetDouble(INDICATOR_MINIMUM,0);
   IndicatorSetDouble(INDICATOR_MAXIMUM,100);
//--- name for DataWindow and indicator subwindow label
   IndicatorSetString(INDICATOR_SHORTNAME,Pair+" : "+"Stoch("+(string)InpKPeriod+","+(string)InpDPeriod+","+(string)InpSlowing+")");
   PlotIndexSetString(0,PLOT_LABEL,"Main");
   PlotIndexSetString(1,PLOT_LABEL,"Signal");
//--- sets first bar from what index will be drawn
   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,InpKPeriod+InpSlowing-2);
   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,InpKPeriod+InpDPeriod);
//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
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[])
  {
//---
   CopyBuffer(rsi_handle,0,0,1000,ExtMainBuffer);
   CopyBuffer(rsi_handle,1,0,1000,ExtSignalBuffer);
//--- return value of prev_calculated for next call
   return(rates_total);
  }
//+------------------------------------------------------------------+