GtkExpander style widget in wxWidgets?

I'm looking for a widget along the lines of GtkExpander, but for wxWidgets. Can't seem to find anything obvious in the documentation. Custom widgets (non-GPL) from somewhere else would be fine, but they need to work on Windows (i.e. without GTK开发者_开发百科).

Practically (if it makes any difference) this is primarily for wxPython, on Windows and hopefully Linux.

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Damn, I'm stupid. If you've got here because you're stupid too, check out wxCollapsiblePane.