Hi,

We all know that we can detect when    regular text in an NSTableView    
finishes editing using the control notification method 
controlTextDidEndEditing:.

My problem, however, is this: In one of the columns I have attached an 
NSPopUpButtonCell. The pop up button has two predetermined constant choices 
"Foo" and "Bar" (always these two fixed choices). How can I detect it when 
these values are have been changed (after having selected a menu item)? The 
problem is that abovementioned notification method, controlTextDidEndEditing:, 
is not getting called in this case.


How, then, can I do some stuff after an NSPopUpButtonCell has changed a value? 
Is there any other notification method I can use? I have not yet seen such a 
method in the docs.


Thanks, U.
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