Macd指标

//+------------------------------------------------------------------+
//|                                                  Custom MACD.mq4 |
//|                      Copyright ?2004, MetaQuotes Software Corp. |
//|                                       http://www.fx68.com/ |
//+------------------------------------------------------------------+
#property  copyright "Copyright ?2004, MetaQuotes Software Corp."
#property  link      "http://www.fx68.com/"
//---- indicator settings
#property  indicator_separate_window
#property  indicator_buffers 2
#property  indicator_color1  Silver
#property  indicator_color2  Red
#property  indicator_width1  2
//---- indicator parameters
extern int FastEMA=12;
extern int SlowEMA=26;
extern int SignalSMA=9;
//---- indicator buffers
double     MacdBuffer[];
double     SignalBuffer[];

• //+------------------------------------------------------------------+
  //必胜外汇 www.Fx68.com作品| Custom indicator initialization function                         |
  //+------------------------------------------------------------------+
  int init()
    {
  //---- drawing settings
     SetIndexStyle(0,DRAW_HISTOGRAM);
     SetIndexStyle(1,DRAW_LINE);
     SetIndexDrawBegin(1,SignalSMA);
     IndicatorDigits(Digits+1);
  //---- indicator buffers mapping
     SetIndexBuffer(0,MacdBuffer);
     SetIndexBuffer(1,SignalBuffer);
  //---- name for DataWindow and indicator subwindow label
     IndicatorShortName("MACD("+FastEMA+","+SlowEMA+","+SignalSMA+")");
     SetIndexLabel(0,"MACD");
     SetIndexLabel(1,"Signal");
  //---- initialization done
     return(0);
    }
  //+------------------------------------------------------------------+
  //| Moving Averages Convergence/Divergence                           |
  //+------------------------------------------------------------------+
  int start()
    {
     int limit;
     int counted_bars=IndicatorCounted();
  //---- last counted bar will be recounted
     if(counted_bars>0) counted_bars--;
     limit=Bars-counted_bars;
  //---- macd counted in the 1-st buffer
     for(int i=0; i<limit; i++)
        MacdBuffer[i]=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i)-iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i);
  //---- signal line counted in the 2-nd buffer
     for(i=0; i<limit; i++)
        SignalBuffer[i]=iMAOnArray(MacdBuffer,Bars,SignalSMA,0,MODE_SMA,i);
  //---- done
     return(0);
    }
  //+------------------------------------------------------------------+