wxListbook layout problem

[Kay Schluehr]

Probably some of you know the amazing demo application for wxPython.
When you open the Listbook demo in the
Core Windows/Contols folder, replace there wx.LB_DEFAULT by wx.LB_RIGHT
and resize the main window the listbox on the right side moves into the
area of colored panel. This is a surprise to say the least. Has anyone
of the GUI specialists an idea how to fix this?

Kay

PS. I tried this on WinXP only.