7 - Add wxPropertyView::OnPropertyChange(wxProperty *property) member
8 so that when a property is changed, this can be immediately
9 reflected in the object. Derive a new wxPropertyListView
12 - Make the property list a modeless dialog or (preferably) resizeable
13 frame. Allow many property lists to be up at once. Associate
14 real window, resource and property list. When window is deleted,