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iCustom调用的使用问题
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//+------------------------------------------------------------------+ //| Bands.mq4 | //| Copyright ?2005, metaQuotes Software Corp. | //| http://www.metaquotes.net/ | //+------------------------------------------------------------------+ #property copyright "Copyright ?2005, metaQuotes Software Corp." #property link "http://www.metaquotes.net/" #property indicator_chart_window #property indicator_buffers 3 #property indicator_color1 White #property indicator_color2 White #property indicator_color3 White //---- indicator parameters extern int BandsPeriod=20; extern int BandsShift=0; extern double BandsDeviations=2.0; //---- buffers double MovingBuffer[]; double UpperBuffer[]; double LowerBuffer[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators SetIndexStyle(0,DRAW_LINE,1); SetIndexBuffer(0,MovingBuffer); SetIndexStyle(1,DRAW_LINE); SetIndexBuffer(1,UpperBuffer); SetIndexStyle(2,DRAW_LINE); SetIndexBuffer(2,LowerBuffer); //---- SetIndexDrawBegin(0,BandsPeriod+BandsShift); SetIndexDrawBegin(1,BandsPeriod+BandsShift); SetIndexDrawBegin(2,BandsPeriod+BandsShift); //---- return(0); } //+------------------------------------------------------------------+ //| Bollinger Bands | //+------------------------------------------------------------------+ int start() { int i,k,counted_bars=IndicatorCounted(); double deviation; double sum,oldval,newres; //---- if(Bars=i) { newres=Close[k]-oldval; sum+=newres*newres; k--; } deviation=BandsDeviations*MathSqrt(sum/BandsPeriod); UpperBuffer[i]=oldval+deviation; LowerBuffer[i]=oldval-deviation; i--; } //---- return(0); } //+------------------------------------------------------------------+ 我想在EA中计算穿越上轨和下轨的次数~~学了半天只能调用第一根柱子的 不知道怎么调用第二第三...那些柱子的值~~~~ 各位老大帮帮忙 小的谢谢了 |
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