#ifdef __WINDOWS__
#define wxHelpController wxWinHelpController
+#define classwxHelpController classwxWinHelpController
#elif defined(__GTK__)
#define wxHelpController wxHTMLHelpController
+#define classwxHelpController classwxHTMLHelpController
#else
#define wxHelpController wxXLPHelpController
+#define classwxHelpController classwxXLPHelpController
#endif
#endif