Hi everyone,
I have a problem with JTree. I dynamically insert TreeNodes. Sometimes when I expand a node for the first time, there are no icons for the subnodes and leafs.
when i collapse end re-expand, then the icons are there but the horizontal size of the Label is not wide ...

Here's the problem:
I have a JDesktopPane and I want to put two JInternalFrames in it.
Here's the piece of code:
getDesktopPanel().add(getPropsPane());

I'm writing a gui based application on java 1.4.2 on win 2000.
I have some windows that open after a a button press.
Every time I open a new window this "flickers" shortly, it appears
like it is drawed and then soon redrawed.

Hi there, ive been following a tutorial online, and am currently at a mouse
events:
http://www.javacooperation.gmxhome.de/indexEng.html
The code they suggest to use is:

I like to create a multi document interface (MDI) GUI. Therefore I
extend my main class from JFrame and use a JDekstopPane for the MDI.
Now I like 3 JInternalFrames to display the actual content. In all these
internal Frames I will have content which has to be scrolled. So how do

I am using Java 1.3.1 on a Linux System.
I have spent mucho time getting the JPopupMenu.show to work the way I
require.
My End User enters an equal sign in the Forms JTextField that triggers an

There seems to be no easy way to have TAB and shift-TAB act just as
normal focus traversal keys for a JTextArea/JEditorPane.
BasicEditorPaneUI/BasicTextAreaUI remove/add them depending on whether
the text component is non-editable/editable (BasicTextUI.updateFocus-

I'm developing an application which can let user to open and modify the HTML
document within the class extended JInternalFrame. But I experienced a
problem when closing the subclass of JInternalFrame. The code for saving the
modificatino of the content is in follow:

i am implementing a cell renderer for a JTree which displays a set of nodes.
The nodes in turn represent local or remote (ftp, http, etc) files.
in order to check whether or not each file is reachable or not i use
an url connection. since this operation may be very time consuming

I have a Java server application which runs as Windows service (jvm 1.4.1).
I also have a Java GUI application (jvm 1.4.2).
When the server is running, the GUI application doesn't start (no errors,
just hang). When the server is stopped, the applications runs without any

I search for a editable ComboBox which behaves like
the url fields in well known browsers.
For example you type 'A' -> PopUp list shows all elements
starting with 'A', when you type 'Ab' ... and so on

How do I set the default button in a JFileChooser dialog?
Thanks in advance!
Thomas

We trigger the hide/show of columns in a JTable from a JPopupMenu
displayed on a right mouse button click. When the hide column menu
option is selected we call the
TableColumnModel.removeColumn(TableColumn) function and an exception

I'm currently looking for a free java package, thats able to draw line
graphs whilst the program is running - from data that my programs
generating.
Ive tried the usual google searches but I havnt found much. Just wondering

How can I send information about event from one object of one class to
another (belongs to another class)?
Main class (1) is extension of JFrame and describes my main application
window. Second class (2) inherited from JPanel creates JTree and places it