Warning
gtk_notebook_set_group has been deprecated since version 2.24 and should not be used in newly-written code. Use gtk_notebook_set_group_name() instead
Sets a group identificator pointer for notebook, notebooks sharing
the same group identificator pointer will be able to exchange tabs
via drag and drop. A notebook with a NULL group identificator will
not be able to exchange tabs with any other notebook.
Since 2.12
Warning gtk_notebook_set_group has been deprecated since version 2.24 and should not be used in newly-written code. Use gtk_notebook_set_group_name() instead Sets a group identificator pointer for notebook, notebooks sharing the same group identificator pointer will be able to exchange tabs via drag and drop. A notebook with a NULL group identificator will not be able to exchange tabs with any other notebook. Since 2.12