-class WXDLLEXPORT wxFrame;
-class WXDLLEXPORT wxWindow;
-class WXDLLEXPORT wxApp;
-class WXDLLEXPORT wxKeyEvent;
-class WXDLLEXPORT wxLog;
-class WXDLLEXPORT wxXVisualInfo;
+class WXDLLIMPEXP_FWD_CORE wxFrame;
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxApp;
+class WXDLLIMPEXP_FWD_CORE wxKeyEvent;
+class WXDLLIMPEXP_FWD_CORE wxLog;
+class WXDLLIMPEXP_FWD_CORE wxXVisualInfo;