//+------------------------------------------------------------------+ //| Bollinger bands %b.mq5 | //| Copyright 2014, mohsen khashei | //| mkhashei@gmail.com | //+------------------------------------------------------------------+ #property copyright "Copyright 2014, mohsen khashei" #property link "mkhashei@gmail.com" #property version "1.10" #property indicator_separate_window #property indicator_buffers 4 #property indicator_plots 1 //--- plot Label1 #property indicator_label1 "Bollinger bands %b" #property indicator_type1 DRAW_LINE #property indicator_color1 clrYellow #property indicator_style1 STYLE_SOLID #property indicator_width1 1 #property indicator_level1 0.0 #property indicator_level2 0.5 #property indicator_level3 1.0 //---- input parameters input int BBPeriod=20; //Period input int BBShift=0; // Shift input double StdDeviation=2.0; //Standard Deviation input ENUM_APPLIED_PRICE appliedprc=PRICE_CLOSE; //Applied Price //--- indicator buffers double UpperBuffer[]; double LowerBuffer[]; double MiddleBuffer[]; double BLGBuffer[]; int bbhandle; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- indicator buffers mapping SetIndexBuffer(0,BLGBuffer,INDICATOR_DATA); SetIndexBuffer(1,MiddleBuffer,INDICATOR_CALCULATIONS); SetIndexBuffer(2,UpperBuffer ,INDICATOR_CALCULATIONS); SetIndexBuffer(3,LowerBuffer ,INDICATOR_CALCULATIONS); ArraySetAsSeries(BLGBuffer,true); ArraySetAsSeries(MiddleBuffer,true); ArraySetAsSeries(UpperBuffer,true); ArraySetAsSeries(LowerBuffer,true); if(Bars(_Symbol,_Period)<60) { Alert("We have less than 60 bars for Indicator exited now!!"); return (-1); } bbhandle=iBands(NULL,0,BBPeriod,BBShift,StdDeviation,appliedprc); if(bbhandle<0){ Alert("Can not create handle ",GetLastError(),"!!"); return (-1); } //--- 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[]) { //--- ArraySetAsSeries(close,true); if(BarsCalculated(bbhandle)