draw vertical line in 00:00 for everyday in chart

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hi, i'm new in mql and i want to draw vertical line in first candle of each day in chart, please help me to find out how can do this, thanks
 
Perhaps you should read the manual. Turn on the period separators (control+Y)
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William Roeder #:
Perhaps you should read the manual. Turn on the period separators (control+Y)
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 sir, i want to save 24 candle of 1H in day in array, so turn on period separator in chart doesn't help me in code

 
Amin Ahmadi #:  sir, i want to save 24 candle of 1H in day in array, so turn on period separator in chart doesn't help me in code

Then why did you ask about creating an object? (i want to draw vertical line) That can't help you, either.
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Just find the first candle and save them.

datetime  bod=date(); // Beginning of the Day.
for(int iBod=iBarShift(NULL,PERIOD_H1, bod); iBod >= 0; --iBod)
   array[iBod] = iClose(NULL,PERIOD_H1, bod);

          Find bar of the same time one day ago - MQL4 programming forum (2017)

See also

  1. Dealing with Time (Part 1): The Basics - MQL5 Articles (2021.10.01)
  2. Dealing with Time (Part 2): The Functions - MQL5 Articles (2021.10.08)
 

You can draw Vertical Line so easy way. Just create an Object with the parameter of Daily candle open time. If you want only current day, then no need to change the object name but if you want for all previous days then dynamically change the object name.

ObjectCreate(ChartID(),obj_name,OBJ_VLINE,0,iTime(NULL ,PERIOD_D1,0));
 
Mahadi Hasan Razu #: You can draw Vertical Line so easy way. J 
ObjectCreate(ChartID(),obj_name,OBJ_VLINE,0,iTime(NULL ,PERIOD_D1,0));

  1. If you had read the thread, that isn't what OP actually wants or needs.

  2. You could also use D1 timeframe, but then you have to deal with 4066 / synchronization issue.

    On MT4: Unless the current chart is that specific symbol(s)/TF(s) referenced, you must handle 4066/4073 errors before accessing candle/indicator values.
              Download history in MQL4 EA - MQL4 programming forum - Page 3 #26.4 (2019)

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