-extern WXDLLIMPEXP_ADV const wxEventType wxEVT_CALENDAR_SEL_CHANGED;
-extern WXDLLIMPEXP_ADV const wxEventType wxEVT_CALENDAR_PAGE_CHANGED;
-extern WXDLLIMPEXP_ADV const wxEventType wxEVT_CALENDAR_DOUBLECLICKED;
-extern WXDLLIMPEXP_ADV const wxEventType wxEVT_CALENDAR_WEEKDAY_CLICKED;
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_CALENDAR_SEL_CHANGED, wxCalendarEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_CALENDAR_PAGE_CHANGED, wxCalendarEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_CALENDAR_DOUBLECLICKED, wxCalendarEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_CALENDAR_WEEKDAY_CLICKED, wxCalendarEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_CALENDAR_WEEK_CLICKED, wxCalendarEvent );