Hi,
I feel that Carbon gave us the chance to get its previous value right
after the value is changed using Carbon Event.
How do I get the previous value in Cocoa?
I set an action to a NSDatePicker and I'd like to know if an input
value , especially year component, is different from the year of its
previous date in the action method, without having a placeholder for
the previous value.
Thanks,
Norio Ota
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