>>>I have another container without the tree which clicks first time and then then 'locks up'
>>>WIll try to remove tree all together and try.
>>
>>Do you have any other extra stuff going on? Do you disable the button or any of the containers or cover it with the transparent label?
>
>No, parent container is resized, while inner ones are hidden right.
>Neer saw this before.

I think we saw something with my colleague about two years ago, but my recollections are vague. I remember pageframe was involved.

Anyway, good night for now.