// event table
 // ----------------------------------------------------------------------------
 
-  BEGIN_EVENT_TABLE(wxNotebook, wxControl)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
+
+BEGIN_EVENT_TABLE(wxNotebook, wxControl)
     EVT_NOTEBOOK_PAGE_CHANGED(-1, wxNotebook::OnSelChange)
     EVT_SIZE(wxNotebook::OnSize)
     EVT_SET_FOCUS(wxNotebook::OnSetFocus)
     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
-  END_EVENT_TABLE()
+END_EVENT_TABLE()
 
-  IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
-  IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
+IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 
 // ============================================================================
 // implementation