Sorry, I missed this reply earlier. Unfortunately I can't use NSTreeNode
because I'm tied to providing support for Tiger for the foreseeable future, and
NSTreeNode is Leopard and above only. Thus I'm not able to use bindings for my
outline views (I remember spending weeks trying to bend NSTreeController to do
things like drag and drop back when it was first introduced in Tiger until I
realised I had written more code working around its initial limitations than I
had in my original data source methods; and now, because I'm tied to Tiger, I
haven't been able to take advantage of the vast improvements that have come
since then, sadly. I don't want to think about the amount of code I'll be able
to strip out when I drop Tiger support...).
Thanks and all the best,
Keith
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