IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMSW)
#elif defined(__WXGTK__)
IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowGTK)
+#elif defined(__WXOSX__)
+ IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMac)
#elif defined(__WXMGL__)
IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMGL)
#elif defined(__WXDFB__)