EX4 Check - Use MQL4 or MQL5 library? - page 2

 
angevoyageur:

Open your .ex4 with an editor. You can see the Copyright xxx on the first line if it's compiled with build <=509.

Also it seems build <=509 start with "EX4", build >=600 with "EX-".


Thank you Angevoyageur!