I'm currently implementing undo/redo functionality in my app and I'm
having problems with my NSArrayController. When adding an item to
the array controller, I call from the documents undo manager:
Now this works fine for the undo functionality, but as soon as I try
to redo the operation, nothing happens. So I guess the question is,
what method does the redo functionality call?
I suspect that addObject may be called, but my app requires that any
new have two of their properties set in order to work correctly.
Could this be what is causing the problem?
Mike.
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