MT4 做指标模版

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

//|                                                          guo.mq4 |

//|                        Copyright 2015, MetaQuotes Software Corp. |

//|                                             https://www.mql5.com |

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

#property copyright "Copyright 2015, MetaQuotes Software Corp."

#property link      "https://www.mql5.com"

#property version   "1.00"

#property strict

#property indicator_separate_window

#property  indicator_buffers

#property  indicator_color1  Red

#property  indicator_width1

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

//| Custom indicator initialization function                         |

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

double    ExtSignalBuffer[];

int OnInit()

  {

//--- indicator buffers mapping

   SetIndexStyle(,DRAW_LINE);

   SetIndexBuffer(,ExtSignalBuffer);

   SetIndexLabel(,"guo");

//---

   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[])

  {

//---

//--- return value of prev_calculated for next call

   int i,limit;

//---

//--- last counted bar will be recounted

   limit=rates_total-prev_calculated;

   if(prev_calculated>)

      limit++;

//--- macd counted in the 1-st buffer

   for(i=; i<limit; i++)

      ExtSignalBuffer[i]=close[i];

//--- signal line counted in the 2-nd buffer

   return(rates_total);

  }

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

//| Timer function                                                   |

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

void OnTimer()

  {

//---

  }

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