#include "wx/gtk/win_gtk.h"
 #include <gdk/gdkkeysyms.h>
 
+// ----------------------------------------------------------------------------
+// events
+// ----------------------------------------------------------------------------
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
+
 //-----------------------------------------------------------------------------
 // idle system
 //-----------------------------------------------------------------------------