On May 14, 2012, at 00:40 , Mikkel Eide Eriksen wrote:
> - An NSTreeController whose content object is bound to the selection of an
> NSArrayController. The NSTreeController is configured with the children key
> path "properties"
1. Check that you have the correct configuration for the count key and/or the
leaf key.
2. Check the KVO compliance of whichever of these keys you use. For example, a
leaf key like this:
- (BOOL) isLeaf {
return self.properties.count > 0;
}
*isn't* KVO compliant.
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