On this topic, when I drag an object out of the Library and set its
class, IB sets the label of the object to the Class Name. Since this
is an instance of the class, and not the Class Object itself, why is
the name capitalized?
It's just a convenient label. If you have two ThingController
instances and one controls SomeThing and the other controls
AnotherThing, you'll want to name them something easily identifiable:
SomeThing Controller and AnotherThing Controller. It's just for easy
identification during developer editing.
And if I want to refer by name to that instance in my code, what is
the name of the instance?
Nothing. That is, not until you add an IBOutlet in whatever class
you want to connect to that instance. Say "AppController" has an
outlet called "thingController". You can then connect the
AppController's someThingController outlet to the "Some Thing
Controller" instance. Now, anywhere within your AppController class,
you can send messages to the "Some Thing Controller" instance by its
shiny new name:
[someThingController doSomeThing];
Also, I found out that IB will not let me make 2 instances of the
same Class. In code, I could say myClassInstance1 = [MyClass new];
and MyClassInstance2 = [MyClass new];, but apparently not in IB.
Sure you can. Exactly the same way you did it the first time. A
new instance is created. Whether you use the "Instantiate ..." menu
item or drag an NSObject instance into your nib and change its class,
doing it a second time creates a new instance.
Are you doing something differently or getting an error?
This has been a mystery to me for six years now.
Ouch.
Also, the documentation only says about File's Owner that it is the
object that loaded the nib file. What is that object, if my nib file
just gets loaded at application launch?
Your app's NSApplication instance. This is in the documentation.
--
I.S.
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