Daily open line.mq4
Daily open line.mq4 FOREX MetaTrader4 Indicators Download
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Daily open line.mq4 Programming source code
#property indicator_chart_window #property indicator_buffers 1 #property indicator_color1 White #property indicator_style1 2 #property indicator_width1 1 double TodayOpenBuffer[]; extern int TimeZoneOfData= 0; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { SetIndexStyle(0,DRAW_LINE); SetIndexBuffer(0,TodayOpenBuffer); SetIndexLabel(0,"Open"); SetIndexEmptyValue(0,0.0); return(0); } //+------------------------------------------------------------------+ //| Custor indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { int lastbar; int counted_bars= IndicatorCounted(); if (counted_bars>0) counted_bars--; lastbar = Bars-counted_bars; DailyOpen(0,lastbar); return (0); } //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ int DailyOpen(int offset, int lastbar) { int shift; int tzdiffsec= TimeZoneOfData * 3600; double barsper30= 1.0*PERIOD_M30/Period(); bool ShowDailyOpenLevel= True; // lastbar+= barsperday+2; // make sure we catch the daily open lastbar= MathMin(Bars-20*barsper30-1, lastbar); for(shift=lastbar;shift>=offset;shift--){ TodayOpenBuffer[shift]= 0; if (ShowDailyOpenLevel){ if(TimeDay(Time[shift]-tzdiffsec) != TimeDay(Time[shift+1]-tzdiffsec)){ // day change TodayOpenBuffer[shift]= Open[shift]; TodayOpenBuffer[shift+1]= 0; // avoid stairs in the line } else{ TodayOpenBuffer[shift]= TodayOpenBuffer[shift+1]; } } } return(0); }