>>The fix for the pageframe is to set the combo Style = 2 in design and set it back to 0 in the Init at runtime, you can try that...
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>Thanks for the tip Bruce, it works.
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>How come it doesn't happen when I only open this container class with the class designer? It only happen when I open the form class that contains it.

Your guess is as good as mine, Oscar :) There's something a little wrong the way the form checks its object changes when closing, though, we know that from the pageframe problem...