Re: Basic Q: reading properties from nil
Re: Basic Q: reading properties from nil
- Subject: Re: Basic Q: reading properties from nil
- From: "Sean McBride" <email@hidden>
- Date: Tue, 26 Oct 2010 17:38:58 -0400
- Organization: Rogue Research Inc.
On Tue, 26 Oct 2010 14:13:23 -0700, Rick Mann said:
>Hi. I've run into a bug, and I'm wondering if I'm expecting the wrong
>behavior. If I do this:
>
>UIWindow* win = nil; // In reality, it's coming from somewhere else,
>but it's nil
>CGRect frame = win.bounds;
>
>Should I expect frame to be all zero? That's what I thought was the
>case, but I'm getting nonsense values that are not zero.
See also:
<http://www.sealiesoftware.com/blog/archive/2007/4/21/
objc_explain_return_value_of_message_to_nil.html>
--
____________________________________________________________
Sean McBride, B. Eng email@hidden
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
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