-wxDEFINE_EVENT( wxEVT_COMMAND_TOOLBOOK_PAGE_CHANGING, wxBookCtrlEvent );
-wxDEFINE_EVENT( wxEVT_COMMAND_TOOLBOOK_PAGE_CHANGED, wxBookCtrlEvent );
+wxDEFINE_EVENT( wxEVT_TOOLBOOK_PAGE_CHANGING, wxBookCtrlEvent );
+wxDEFINE_EVENT( wxEVT_TOOLBOOK_PAGE_CHANGED, wxBookCtrlEvent );