can i use CGContentMoveToLine and CGContentAddToLine ?in touchbegan,touchmoved,touchended event

Question

any answer is kindly appericiable

Answer 1

I assume you're talking about Core Graphics functions like CGContextMoveToPoint, CGContextAddLineToPoint etc.

You can call these functions from where you want but you need a valid context for that. If you're drawing the contents of a UIView, you should do that in drawRect:.