[news.eclipse.platform.swt] Re: No common IList interface for List and C

[Eric Rizzo <eclipse-news@xxxxxxxxxxxx>]

amonteith wrote:
> duh! List and Combo classes don't allow subclassing, so I guess I'll 
> just wrap 'em.  BTW, this brings me to another question: why are there 
> all these classes in the eclipse swt that say "IMPORTANT: This class is 
> <em>not</em> intended to be subclassed" but the class itself is not 
> declared final?

You can subclass SWT widgets (most of them) but they really discourage 
you from doing so. You need to override Widget.checkSubclass() [and 
DON'T call super.checkSubclass()], but I've subclassed List before to 
add behavior as you're doing.

Hope this helps,
	Eric