+#define wxSpinEventHandler(func) \
+ wxEVENT_HANDLER_CAST(wxSpinEventFunction, func)
+
+// macros for handling spin events: notice that we must use the real values of
+// the event type constants and not their references (wxEVT_SPIN[_UP/DOWN])
+// here as otherwise the event tables could end up with non-initialized
+// (because of undefined initialization order of the globals defined in
+// different translation units) references in them