Balloons doesn't visualized

VCL TMS VCL UI Pack
1

I have a strange problem.
If I put  a planner on a simple form it works, when I use the same planner on a form that is conteined in another form the balloons doesn't work anymore (I change only the parent!)

Software version:
Delphi 2007
TPlanner 2.5.10.1 May, 2010 for Delphi 2007

2

This is explained here: 
http://www.tmssoftware.com/site/planner.asp?s=faq&show=347

3

Thanks a lot,
now it works