when you do self.myInt under the covers you're really doing [ self setMyInt:123 ], and that method is KVO compliant so it fires the property change notification the textfield needs.

myInt = 123 just sets the variable directly and skips the property change notification.



On Sep 23, 2008, at 9:35 AM, D.K. Johnston wrote:

I'm trying to learn how to use bindings. MyObject has an NSInteger myInt. I used @property and @synthesize to make myInt into a property. In IB I bound an NSTextField to the myInt property. Now when I do this:

        self.myInt = 123;

when initialising MyObject, the value shows up in the text field. But if I do this instead:

        myInt = 123;

the textfield just shows '0'. What's happening here?

dkj
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