can the way a "null"-state in a triplestate-checkbox is displayed be changed?
Right now in the swing-Client it is a greyish check checkbox.
"normally" it is a filled rectangle:
or
Can you change is to be more clearly displayed that it has a "other state than checked".
you can influence the images in the swing client by setting own images for true/false/null. You can do this centrally within the style definition, of course.
Due to compatibility in the Swing client we cannot change the current icons (which were the default ones some years ago... ;-)). In the FX client we from beginning on used the icons that you mention.