Re: NSArrayController and threading

FROM : John C. Randolph
DATE : Wed Dec 22 22:08:09 2004

On Dec 22, 2004, at 6:29 AM, Joe Chan wrote:



> This approach is much simpler than my initial guess. The loading of
> thumbnail works, however, the table is not getting updated with the
> thumbnails until I scroll. Unfortunately, because binding eliminated
> almost all the glue code, it also makes it very hard to debug why it's
> not getting updated. I thought that once the didChange: is called, the
> NSArrayController will trigger an update on the NSImageCell and should
> redraw itself.


Hmm..  I wrote the code off the top of my head, and haven't tested it
in an app. You might try sending -willChangeValueForKey: before
-didChange:valuesAtIndexes:forKey:.



-jcr

>




John C. Randolph <<email_removed>> (408) 974-8819
Sr. Cocoa Software Engineer,
Apple Worldwide Developer Relations
http://developer.apple.com/cocoa/index.html