主图指标 mt4指标类型：趋势指标 是否能用在mt4手机版上：否 是否含有未来函数：无 可以用在韬客外汇返佣网的平台上 //+------------------------------------------------------------------+ //| Limiteddonchianchanel.mq4 | //| Copyright 2013, MetaQuotes Software Corp. | //| http://www.metaquotes.net | //+------------------------------------------------------------------+ #property copyright "Copyright 2013, MetaQuotes Software Corp." #property link "http://www.metaquotes.net" //---- indicator settings #property indicator_chart_window #property indicator_buffers 3 #property indicator_color1 Green #property indicator_color2 Red #property indicator_color3 DarkKhaki #property indicator_width1 2 #property indicator_width2 2 #property indicator_width3 1 //---- indicator parameters extern int periods=50; extern int distance=200; extern bool fixed=false; //---- indicator buffers double upper; double lower; double middle; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- drawing settings SetIndexStyle(0,DRAW_LINE); SetIndexStyle(1,DRAW_LINE); SetIndexStyle(2,DRAW_LINE,STYLE_DOT); //---- indicator buffers mapping SetIndexBuffer(0,upper); SetIndexBuffer(1,lower); SetIndexBuffer(2,middle); //---- name for DataWindow and indicator subwindow label IndicatorShortName("Limited Donchian Chanel("+periods+")"); SetIndexLabel(0,"Upper"); SetIndexLabel(1,"Lower"); SetIndexLabel(2,"Middle"); //---- initialization done return(0); } //+------------------------------------------------------------------+ //| Custom indicator start function | //+------------------------------------------------------------------+ int start() { int i=Bars-IndicatorCounted(); while(i>=0) { double u=iHigh(NULL,0,iHighest(NULL,0,MODE_HIGH,periods,i)); double l=iLow(NULL,0,iLowest(NULL,0,MODE_LOW,periods,i)); if(iHigh(NULL,0,i)>upper[i+1] || iLow(NULL,0,i)upper[i+1]) { upper=iHigh(NULL,0,i); if(upper-lower[i+1]>distance*Point) lower=upper-distance*Point; else lower=lower[i+1]; } if(iLow(NULL,0,i)distance*Point) upper=lower+distance*Point; else upper=upper[i+1]; } } else { upper=upper[i+1]; lower=lower[i+1]; } if(fixed==false) { if(upper>u) upper=u; if(lowerLimiteddonchianchanel.jpg