+ #define wxHelpController wxWinceHelpController
+#elif defined(__WXPALMOS__)
+ #include "wx/palmos/help.h"
+
+ #define wxHelpController wxPalmHelpController
+#elif defined(__WXMSW__)
+ #include "wx/msw/helpbest.h"
+
+ // CHM or WinHelp, whichever is available
+ #define wxHelpController wxBestHelpController
+#else // !MSW
+
+#if wxUSE_WXHTML_HELP
+ #include "wx/html/helpctrl.h"
+ #define wxHelpController wxHtmlHelpController