First portion of reply to Michael,
Michael, look at this link in the 'How To' forum :
http://forum.servoy.com/viewtopic.php?t=1670
There is a solution download called 'navtest' from Jan Aleman which (whilst demonstrating a shared navigation palette) has a Tab Panel on a layout which has NO BORDER !
As far as I can see, it may be that you need to also set the border of the form being displayed within that Tab Panel to be Empty,0,0,0,0
Anyway, have a look and see if it resolves your GUI issue.
Second portion to Johann,
Just set the tab orientation to HIDE and make labels buttens that set's the selected index yourself.
Sorry, Johann, but I have no idea what I need to do to 'set the selected index'
Please take pity on someone who is still learning new things each day and to whom tab panels are mysterious objects which work - but I don't know how !!
Could you give me one line of code from a method that illustrates how I would trigger a tabless tab panel to display a different form !?
Thanks
Harry