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Article View: borland.public.jbuilder.java.swing
Article #9077

Re: JCombo Box does not open

#9077
From: Martin Zwosta
Date: Tue, 13 Jun 2000 00:00
42 lines
2576 bytes
Hello Greg,

in the meanwhile I could work with your solution and it wirks perfectly fine.
Thank you very much for the help! The only sad thing is, that this means, that I
cannot use the decorated-frame with swing-components but instead have to
activate the "Swing-only" - option when using the assistant to start a project
with an application. But this maybe a necessary step anyway.

Maritn Zwosta

Greg Hamer schrieb:

> The dropdown box is rendered in a different pane (the glass pane?) than the
> rest of the ui. Therefore it needs to live under a container that has such a
> pane, i.e. something that has a JRootPane such as JWindow, JFrame, JDialog.
> If the top level container is not one of these, the dropdown list of the
> JComboBox will not show up.
>
> Martin Zwosta <m.zwosta@t-online.de> wrote in message
> news:393BA072.34CB39BB@t-online.de...
> > Hello everybody,
> >
> > I simply want to design a JComboBox with the GUI-Builder and want to
> > display some strings in it for selection. The ComboBox actually works,
> > which means I can change its values by keyboard and can get the selected
> > items. But the box does not open when I click on the small arrow or the
> > box itself ??!!
> > I left the default constructor and added the items with "addItem", I
> > also created an String-array and invoked the constructor to implement an
> > String array on the JComboBox, both times the same result: the box
> > works, but won't open. I also changed the look & feel, no result. I can
> > write my own little program to display a JComboBox and it opens up on
> > mouseclick, but when I try to add a JComboBox to the Window that the GUI
> > - Builder constructed by hand -coding it fails: results s.a..
> >
> > I'm getting really puzzled. Is there any small thing or something alike
> > that I miss?
> >
> > Help is very much appreciated and thanks a lot in advance,
> >
> > Martin
> >
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From: Martin Zwosta <m.zwosta@t-online.de>
Subject: Re: JCombo Box does not open
Date: 2000/06/13
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