How do you know what happened before between high or low.

 
sorasit46: In TF-H4,How to write code for get first happen between high or low?
All you know is OHLC. You must look at lower TFs
 
WHRoeder:
All you know is OHLC. You must look at lower TFs
What mean off OHLC ?
 
Open-High-Low-Close
 
sorasit46: What mean off OHLC ?
http://bit.ly/146g36f
Reason: