IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowGTK)
#elif defined(__WXMGL__)
IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMGL)
+#elif defined(__WXX11__)
+ IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowX11)
#elif defined(__WXPM__)
IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowOS2)
#endif