drawing arrows in mql4 across specific candles in history

I need create a code to loop across the history in a chart, i need put an arrow on every candlestick on time GMT00 like the image, thanks for the help and suggestions

1 Answer

For now i solve it using this code in OnInit() function

for(int i=0;i<Bars;i++) {

 if(TimeHour(Time[i]) == 0) { // ObjectCreate(i, OBJ_ARROW, 0, Time[i], High[i]+100*Point); //draw an up arrow ObjectSet(i, OBJPROP_STYLE, STYLE_SOLID); ObjectSet(i, OBJPROP_ARROWCODE, SYMBOL_ARROWDOWN); ObjectSet(i, OBJPROP_COLOR, Yellow); } }