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I'm developing a UI app for the Mac OS. I was just using the Accessibility Inspector that comes with OSX when I saw this following error :

"Parent does not report element as one of its children"

enter image description here

Which I can understand because my cursor was over a element of a NSCollectionView.

So how can I "register" the subitems as children of the Collection ?

Edit: I also observe some weird behaviour: When Accessibility Inspector is open, every time I enter one of my subelements with my cursor I get the following message. 

-[DriveViewBox item]: unrecognized selector sent to instance 0x########

Where DriveViewBox is a NSBox subclass.

Matthieu Riegler
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  • Assuming your NSCollectView is working as expected I think you’ve found a bug. NSCollectionViews are NOT used very much inside of Apple so they don’t get a ton of love. I’d advise filing a a RADAR—http://bugreport.apple.com – Wil Shipley Jan 14 '14 at 08:36
  • I must have done something wrong, https://developer.apple.com/library/mac/samplecode/IconCollection/Introduction/Intro.html#//apple_ref/doc/uid/DTS10004477 doesn't show any errors. – Matthieu Riegler Jan 14 '14 at 12:10

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