I'm using NSOutlineView for a project, and can't seem to figure out two things: How to remove the disclosure triangle for tree nodes. Apps like iTunes seem to be able to do this: Is there som...

I'm trying (unsuccessfully) to build a TreeController-controlled NSOutlineView. I've gone through a bunch of tutorials, but they all pre-load the data before starting anything, and this won't work ...

I have an NSOutlineView that is displaying a directory hierarchy. It's bound to an NSTreeController, which is bound to my class that manages file system nodes. When a filesystem event occurs, I fir...

Given model objects that NSTreeController represents, how do you find their index paths in the tree and subsequently select them? This seems to be a blindingly obvious problem, but I can't seem to ...

Please send me some links on how to use NSOutlineView with NSTreeController bindings without using core data.

Apple introduced ordered to-many-relationships in Core Data in Lion. I created an entity named TreeNode with an 1:1-object-relation, a 1:1-parent-relation and an ordered to-many-relationship childr...

I have a tree-like model I'd like to show in an NSOutlineView using an NSTreeController. I was able to set up the bindings and everything works fine as long as I use the NSTreeController's insert ...