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Article View: borland.public.jbuilder.java.swing
Article #11205

Re: JComboBox question

#11205
From: Timothy Reaves
Date: Mon, 28 Jun 1999 00:00
81 lines
3025 bytes
    Unfortunately, this is definitely NOT the case;  I am using NOTHING but Swing
light weight components, and even with the pop-up set to heavy weight can still
NOT get it to show.

Rich Wilkman wrote:

> Arn:
>
> Because you have mixed lightweight and heavyweight components.  The
> window for the drop down cannot come up in front of the heavyweight
> container.  Check your hintsandtips.txt file for a starting point on
> heavyweight v. lightweight.  There's a reference to an excellent article
> on the Javasoft site there, too.
>
> -Rich
>
> Arn Cota wrote:
> >
> > How come when I add a combo box to my Frame, it does not drop down when I
> > click on it?  I can cursor up and down through the items, so I know they are
> > on the list, but no drop down:
> >
> > Thanks,
> > Arn
> > ****************
> > package Combo;
> >
> > import java.awt.*;
> > import java.awt.event.*;
> > import com.borland.jbcl.control.*;
> > import com.borland.jbcl.layout.*;
> > import javax.swing.*;
> >
> > public class Frame1 extends DecoratedFrame
> > {
> >   XYLayout xYLayout2 = new XYLayout();
> >   BevelPanel bevelPanel1 = new BevelPanel();
> >   BorderLayout borderLayout1 = new BorderLayout();
> >   JComboBox jComboBox1;
> >
> >   //Construct the frame
> >   public Frame1()
> >   {
> >     try
> >     {
> >       jbInit();
> >     }
> >     catch(Exception e)
> >     {
> >       e.printStackTrace();
> >     }
> >   }
> >
> >   //Component initialization
> >   private void jbInit() throws Exception
> >   {
> >     String str[] = {"test1","test2"};
> >     this.setLayout(borderLayout1);
> >     this.setSize(new Dimension(400, 300));
> >     this.setTitle("Frame Title");
> >     bevelPanel1.setLayout(xYLayout2);
> >     this.add(bevelPanel1, BorderLayout.CENTER);
> >     jComboBox1 = new JComboBox(str);
> >     bevelPanel1.add(jComboBox1, new XYConstraints(50, 85, 277, 21));
> >   }
> > }
>
> --
>
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Rich Wilkman
> Senior Quality Assurance Engineer
> Borland JBuilder Team
>
> If you see something that looks like an opinion up there,
> it's mine and mine alone.
>
> Mail sent to me from the newsgroups won't bounce but will
> be ignored.  If I have time, I'll respond, but you  have
> a better chance if you confine your posts to the newsgroups
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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From: Timothy Reaves <treaves@silverfields.com>
Subject: Re: JComboBox question
Date: 1999/06/28
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