Hi. I really don't know how the SystemChangeNotifier works, but wouldn't it send TWO notifications in your example? one for the class reshape change (the instance variables) and one for the category change ? is it doing this at least ? On Tue, Nov 15, 2011 at 4:30 PM, ezequiel lamonica < lamonicaezequiel@gmail.com> wrote:

Hello,

I'm working on Pharo 1.3 in a software content management project and I have some problems with the SystemChangeNotifier. I want to get changes between an old class and the new class when I change its category. The problem is when I change a category for a class, the SystemChangeNotifier sends this message: "class: aClass recategorizedFrom: oldCategory to: newCategory ", but I can't get the changes on the new class to get the differences between old class and new class.

For example, I want to get the change of instanceVariableNames in addition of category change:

I change:

Object subclass: #ClassForTesting instanceVariableNames: 'a' classVariableNames: 'xx2' poolDictionaries: '' category: 'OOSCM-ClientImageTest'

TO:

Object subclass: #ClassForTesting instanceVariableNames: 'a b c ' classVariableNames: 'xx2' poolDictionaries: '' category: 'OOSCM-ClientImageTest2'

Any help?

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