iOS Uiscrollview zoom code

[nashyo]

I've found this code on Ray Wenderlich

UIScrollView *scrollView;

CGRect scrollViewFrame = self.scrollView.frame;
CGFloat scaleWidth = scrollViewFrame.size.width / self.scrollView.contentSize.width;
CGFloat scaleHeight = scrollViewFrame.size.height / self.scrollView.contentSize.height;

Why isn't scrollviewframe.size.width written self.scrollview.scrollviewframe.size.width?

Source:

http://www.raywenderlich.com/10518/how-to-use-uiscrollview-to-scroll-and-zoom-content

 

[jnoxx]

Not looking at the site, I know ray wenderlich, but think to your self.
When is self. used? is it a property? or is it an ivar?

 

[nashyo]

i feel stupid now...

But thanks!

 

[jnoxx]

No worry's, we all gotta start somewhere