Re: How does an instance variable in the ObjC code get connected to an interface element in the NIB file?
Re: How does an instance variable in the ObjC code get connected to an interface element in the NIB file?
- Subject: Re: How does an instance variable in the ObjC code get connected to an interface element in the NIB file?
- From: Ken Thomases <email@hidden>
- Date: Fri, 13 Jun 2008 20:22:39 -0500
On jun 13, 2008, at 4:21 PM, Paul Archibald wrote:
This puzzles me. I am tracing through some code in which I am
looking at the value of some selected popup menu items. I am seeing
the correct values for them, but I have to confess I don't know how
the code is connected to the popup, or just why the code even
works! I see the connections for the buttons on the interface, and
I hit the breakpoints I expect, but I don't see any connections
between the member variables and the popup items.
There are instance vars for the popups in the code, but I don't see
how they are connected to the NIB.
It sounds to me like you're not familiar with "outlets", which is a
pretty basic part of Cocoa GUI design. You probably need to review
the conceptual documentation:
http://developer.apple.com/documentation/Cocoa/Conceptual/
CocoaFundamentals/
http://developer.apple.com/documentation/Cocoa/Conceptual/
CocoaFundamentals/CommunicatingWithObjects/chapter_6_section_3.html#//
apple_ref/doc/uid/TP40002974-CH7-SW3
Regards,
Ken
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