+extern WXDLLIMPEXP_CORE const wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED;
+extern WXDLLIMPEXP_CORE const wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING;
+
+// wxChoicebook flags
+#define wxCHB_DEFAULT wxBK_DEFAULT
+#define wxCHB_TOP wxBK_TOP
+#define wxCHB_BOTTOM wxBK_BOTTOM
+#define wxCHB_LEFT wxBK_LEFT
+#define wxCHB_RIGHT wxBK_RIGHT
+#define wxCHB_ALIGN_MASK wxBK_ALIGN_MASK
+