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Re: [Q] How to add nested items to NSOutlineView?

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Re: [Q] How to add nested items to NSOutlineView?

Subject: Re: [Q] How to add nested items to NSOutlineView?
From: Benjamin Stiglitz <email@hidden>
Date: Wed, 05 Nov 2008 19:43:57 -0500

However, if I get reference of an item in existing view and insert new item in its data source, NSMutableArray, it can't display the newly added nested items.

I tried NSTreeController's rearragneObjects and the NSOutlineView's reloadItem:reloadChildren, but it doesn't seem to work for me.

Can anyone tell me how to add new items?

Since you’re using NSTreeController, you should modify the array in a KVO-compatible way. Take a look at <http://developer.apple.com/documentation/Cocoa/Reference/Foundation/Protocols/NSKeyValueCoding_Protocol/Reference/Reference.html#//apple_ref/occ/instm/NSObject/mutableArrayValueForKeyPath: >

-Ben_______________________________________________

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