Re: the red component mistery

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#1183

From: Sven Goetgeluck
Date: Fri, 30 Jan 2004 11:17

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"Tor Iver Wilhelmsen (TeamB)" <tor.wilhelmsen@ergo.no> schreef in bericht
news:usmhx289b.fsf@ergo.no...
> Paul Furbacher <pfurbacher@mac.com> writes:
>
> > The JBuilder Help discussion on "red beans"
> > indicates why this happens: the Designer
> > cannot instantiate a class which does not
> > have a no-parameter constructor.
>
> For completeness' sake I'd also like to mention the two other cases
> where it can happen:
>
> 1) When the no-arg constructor throws an exception. To overcome this
>    you often need to surround code that's only relevant at run-time
>    with
>
> if (!java.beans.Beans.isDesignTime()) {
> // ...
> }
>
> 2) When the component extends an abstract class. The solution is to
>    declare a "proxy" concrete class for the designer.

so i cannot do it the way i do it extends from jdialog ,
in jb 3 is worked perfect

what is ment by a "declare proxy concrete class"

sven

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From: "Sven Goetgeluck" <sven.goetgeluck@pandora.be>
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Subject: Re: the red component mistery
Date: Fri, 30 Jan 2004 12:17:52 +0100
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