Re: One question about subclass

[Markus Hitter]

Am 25.09.2008 um 00:44 schrieb Germán Arias:

> For example, I create a subclass of NSImageView, I set its methods  
> and all OK.
> But when my app is running and I alloc and init my subclass I don't  
> see the
> object's instance. I don't get any error. Can somebody tell me what  
> is the
> problem?

As always, code snippets are great ...

Interesting would be, why you create a subclass. Subclassing is in  
Obj-C a lot less in fashion (= rarely used) than in C++, as Obj-C has  
categories (extensions to a class) and GNUstep/Cocoa makes a lot of  
use of this capability.

Back to your question: Where would you expect to "see" something? If  
you mean like appearing on the screen, then you have to connect this  
view to a window somehow. Typically as a subview of the window's  
contentView. Gorm would do this connection automatically when  
dragging an NSImageView from the palette into a window.


MarKus

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Dipl. Ing. Markus Hitter
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