+
+#if wxUSE_WXHTML_HELP
+ #include "wx/html/helpctrl.h"
+ #define wxHelpController wxHtmlHelpController
+ #define sm_classwxHelpController sm_classwxHtmlHelpController
+#else
+ #include "wx/generic/helpext.h"
+ #define wxHelpController wxExtHelpController
+ #define sm_classwxHelpController sm_classwxExtHelpController
+#endif
+