class WXDLLIMPEXP_FWD_CORE wxChoice;
-extern WXDLLIMPEXP_CORE const wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED;
-extern WXDLLIMPEXP_CORE const wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING;
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED, wxBookCtrlEvent )
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING, wxBookCtrlEvent )
// wxChoicebook flags
#define wxCHB_DEFAULT wxBK_DEFAULT