Extending the oracle java classes for PJCs - Help!

Question

In developer6 (forms) - I am trying to create my own version of
certain forms components, without much look.
I have created an item in forms, ie. Checkbox, in the
'Implementation Class' field I called my java class.
My code 'extends VCheckbox' and I have created my own paint()
mthoed.
Whilst it does call and run my code there are several problems.
Mainly being that I cannot change the size the component - I have
seen the demo source code - and the examples of what I am trying
to do are less than simple (read: less than useless).
I dont not want a java bean. The forms help says I should be able
to extend the above class okay - but doesnt say what limitations
there are or what functionality there is in the oracle.forms.ui
classes.
Has anyone else actually achieved anything other than JavaBean
components?
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Answer 1

: Have you seen the RolloverButton example ?
: It is under Forms documentation in TechNet
: and is quite advanced.
No, have search Dev6 manuals, can not find this by searching
Technet either - can you specify (provide URL)?
I am trying to re-implement the VCheckbox using Smoking/No
Smoking images. I can create the images, but the toggling action
does not work when the component size is greater than the
original subclassed component.
None of the examples show creating components of sizes that
differ from the subclass.
Surely I only need to override paint() method?
Code fragment:
import ....
public class ImageToggler extends VCheckbox {
// ... does initialisation of images ....
// ... Images are 32x32 ...
public void paint( Graphics g ) {
if ( getState() == true ) {
g.drawImage( ysSmoke.getImage(), 0, 0,
ysSmoke.getIconWidth(),
ysSmoke.getIconHeight(), this );
} else {
g.drawImage( noSmoke.getImage(), 0, 0,
noSmoke.getIconWidth(),
noSmoke.getIconHeight(), this );
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