Asked to find out what the handle indicator?

 
Good evening! Indicator handle creating it in OnInit. Sorry, but that makes indicator handle repaint with the arrival of new ticks or even bars if it is created in the init? True, I just want to understand. Somehow unreal obtained by writing to the init!
True to this?
Is not it better to be in on tick inscribe?
 
Як знести свою тему?
How to carry your theme?