When the outline asks this with a nil 'item':
- (NSInteger)outlineView:(NSOutlineView *)outlineView
numberOfChildrenOfItem:(id)item;
Don't return 1, but instead, return the number of children in your
root item.
Then, when this is asked with a nil 'item':
- (id)outlineView:(NSOutlineView
I was working through the ³Using Tree Controllers With NSXML Objects².
http://developer.apple.com/documentation/Cocoa/Conceptual/NSXML_Concepts/Art
icles/UsingTreeControllers.html#//apple_ref/doc/uid/TP40003565
I have an XML file and have coded following the example referenced above and
all work
