is RefreshRates enough to be used on a EA to know if Symbol is updating or not? - page 2

 
gooly:


Beside that I would like to know how RefreshRates() works, it must collect new ticks bypassing start().

It just updates the Predefined Variables so that when you use them they are correct. If you have a lot going on during your start() function and a tick arrives while you are still processing it the predefined variables can become out of date so RefreshRates() simply updates them . . .
Reason: