extern WXDLLIMPEXP_CORE const wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED;
extern WXDLLIMPEXP_CORE const wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING;
extern WXDLLIMPEXP_CORE const wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED;
extern WXDLLIMPEXP_CORE const wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING;