I've searched for a solution for a very simple problem but, so far, I
haven't been able to find it, so here it goes the problem:
I created a JComponent-derived object, called Graph, which basically
draws a graph in its paint(Graphics g) method.

Does anyone know where there is definitive list of which desktop
properties are available on which platforms?
I found a sun document which lists the ones for windows, but I haven't
been able to find similar lists for the Mac or linux/unix etc.

Is there a way to change the JFrame icon
via a custom Look and Feel? I'm trying to
create a LaF and would like to use a "nicer" icon.
Also, is it possible to change the font

How can you change the tab width in a JEditorPane?

It would be very helpful when doing layouts with GridBagLayout if I
could see the grid lines. Is there a way to make the grid lines
visible?
-- John

I am working on a small graphical tool in which I can place "objects"
(circles and boxes) on the main panel of my application. Then I can
connect these boxes with lines. If I drag an object from one place to
another, all connected lines are updated to the new position. The

I need to represent a city in Java. This city is a over-simplification of
a real city. So, it's only composed of roads and buildings.
The buildings are large sqare blocks.
Does anyone know if this has already been done ? And where could I pick

Does anyone know a good 2D painting program in Java with source? I
have to make a "conferance room" in Java where users can draw on a
shared whiteboard that they all can see. They have to be able to write
on it, draw rects, circles, freehand, fill with color, choose drawing

I use this piece of code to replace the font in a table header:
UIDefaults def = UIManager.getDefaults();
myDefaultFont = (Font)def.get("TableHeader.font");
myDefaultFont = new Font("Verdana", defaultFont.getStyle(), 11);

Good Morning,
for my application I need to set the disabled color of the checkboxes
to blue,
how can I do this ???

I am writting a Java application at the moment that very occassionally
freezes when minimized and then is maximized after other Windows programs
have been used.  I am just wondering if anyone has experienced similar
problems, or this is a known bug that I am not familiar with.  Any

Somehow my labels with a leading 'W' when left aligned, lose a couple of
pixels off the left.
No ammount of pack() or validate() fixes it.
It is the same across metal & windows L&F's, but okay in CDE/Motif.

Is there a standard for representing a Java Swing GUI in XML? I know that
Asperon (AppProjector) has defined a proprietary XML vocabulary for doing
this. I would like to create a web-application framework similar to this
using standards and open source components if possible.

How do I remove the java icon from JDialog? I know how to do this for a
JFrame, but can't find a workaround from JDialog.  I do not want to change
the icon, I simply want to remove it. How?
- Manish

I have a simple animation question. I am trying to make an Oval move
from one position of a window to another.  I have managed to make the
Oval to update itself and redraw in a new position. Unfortunatly the
previous position/drawing of the Oval does not disappear.  What happens