Warning
gtk_notebook_set_group_id has been deprecated since version 2.12 and should not be used in newly-written code. use gtk_notebook_set_group_name() instead.
Sets an group identificator for notebook, notebooks sharing
the same group identificator will be able to exchange tabs
via drag and drop. A notebook with group identificator -1 will
not be able to exchange tabs with any other notebook.
Since 2.10
Warning gtk_notebook_set_group_id has been deprecated since version 2.12 and should not be used in newly-written code. use gtk_notebook_set_group_name() instead. Sets an group identificator for notebook, notebooks sharing the same group identificator will be able to exchange tabs via drag and drop. A notebook with group identificator -1 will not be able to exchange tabs with any other notebook. Since 2.10