+// under Windows we prefer to use the native implementation but can be forced
+// to use the file-based one
+#if defined(__WINDOWS__) && wxUSE_CONFIG_NATIVE
+ #include "wx/msw/regconf.h"
+ #define wxConfig wxRegConfig
+#elif defined(__WXOS2__) && wxUSE_CONFIG_NATIVE
+ #include "wx/os2/iniconf.h"
+ #define wxConfig wxIniConfig
+#else // either we're under Unix or wish to always use config files
+ #include "wx/fileconf.h"
+ #define wxConfig wxFileConfig