> On 8 Sep 2016, at 11:13 PM, Raimond Hettrich <sa...@onlinehome.de> wrote:
> 
> the init-method of the DelegateClass is running. This is because I have a 
> class object in the Document.xib file


Alarm bells. What exactly does this mean?

I assume you mean you have a custom view within the document’s window, and 
you’ve set its class to ‘DelegateClass’. That is the normal way to add NSView 
subclasses in a xib. Depending on the ‘Prefer Coder’ checkbox for the xib, the 
-initWithFrame: or -initWithCoder: methods will be called. I don’t see that 
-init will ever be called. The only way to be sure is to set a debugger 
breakpoint in the -init method.

If you’ve added an object to the xib and set its class to ‘DelegateClass’ as 
well as having a view in the window, you’ll have two of them. One is on screen 
and is reporting from its -drawRect method, the other is the one that’s 
responding to the button and showing its array. If that’s the case, its -init 
method WILL be called, because it’s being treated as a plain object, not an 
NSView.

From what you’ve described, this would fit the logging output you’re seeing, 
but because you haven’t logged the identity of the view itself, you haven’t 
seen that there are two. A breakpoint would reveal that, because you can see 
the address of the object.

—Graham



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