-extern WXDLLEXPORT_DATA(const wxChar*) wxDialogNameStr;
-class WXDLLEXPORT wxWindowDisabler;
-class WXDLLEXPORT wxEventLoop;
+extern WXDLLEXPORT_DATA(const char) wxDialogNameStr[];
+class WXDLLIMPEXP_FWD_CORE wxWindowDisabler;
+class WXDLLIMPEXP_FWD_CORE wxEventLoop;