Remove Older data printed by Indicator

 

Hi, I am using an idicator that draws line of dots on main window of the chart. What changes need to be done to indicator so that there is only the current line of dots and remove the previous lines of dots ?

Please see attached file of the indicator.

Files:
sr.mq4  4 kb
 
skuma02x:
What changes need to be done to indicator so that there is only the current line of dots and remove the previous lines of dots ?
Add code that removes the older dots.
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