hilo

//+------------------------------------------------------------------+
//|                                                         HiLo.mq5 |
//|                                  Copyright 2010, Charly King Her |
//|                                   www.bussinessclubworldwide.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2010, Charly King Her"
#property link      "www.bussinessclubworldwide.com"
#property version   "1.00"
#property indicator_chart_window
#property indicator_buffers 3
#property indicator_plots   1
//+------------------------------------------------------------------+
#property indicator_label1  "SmoothLine"
#property indicator_type1   DRAW_LINE
#property indicator_color1  Blue
#property indicator_style1  STYLE_SOLID
#property indicator_width1  2
//+------------------------------------------------------------------+
input int      PreferPeriod=10;
//+------------------------------------------------------------------+
double         SmoothLineBuffer[], HMABuffer[], LMABuffer[];
int HighMA, LowMA;

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
{
  SetIndexBuffer(0,SmoothLineBuffer,INDICATOR_DATA);
  SetIndexBuffer(1,HMABuffer,INDICATOR_DATA);
  SetIndexBuffer(2,LMABuffer,INDICATOR_DATA);  
  HighMA = iMA(Symbol(), 0, PreferPeriod, 0, MODE_SMA, PRICE_HIGH);
  LowMA = iMA(Symbol(), 0, PreferPeriod, 0, MODE_SMA, PRICE_LOW);
  return(0);
}

//+------------------------------------------------------------------+
//| 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[])
{
  int buffer_status = CopyBuffer(HighMA, 0, 0, rates_total, HMABuffer);
  buffer_status *= CopyBuffer(LowMA, 0, 0, rates_total, LMABuffer);
  int bars = BarsCalculated(HighMA);
  bars = MathMax(bars, BarsCalculated(LowMA));
  if (buffer_status > 0 && bars >= rates_total)
  { int start_idx = 1; if (prev_calculated > 0) { start_idx = prev_calculated - 1; }
    for (int idx = start_idx; idx < rates_total; idx++)
    { if (close[idx] < LMABuffer[idx - 1]) { SmoothLineBuffer[idx] = HMABuffer[idx - 1]; }
      else { SmoothLineBuffer[idx] = LMABuffer[idx - 1]; }
    }
  } return(rates_total);
}

//+------------------------------------------------------------------+