Getting price range of 3 bars

 

Hi

I‌'ve just started learning MQL have a question......

I‌ am trying to get the price range of 3 consecutive bars(the current bar, 1 before and 1 after). 

Help pls

 
Oceankoh: (the current bar, 1 before and 1 after).
Current bar, previous bar, and future bar. Good luck with that.
Reason: