Warning
gtk_notebook_query_tab_label_packing has been deprecated since version 2.20 and should not be used in newly-written code. Modify the "tab-expand" and
"tab-fill" child properties instead.
Query the packing attributes for the tab label of the page
containing child.
Warning gtk_notebook_query_tab_label_packing has been deprecated since version 2.20 and should not be used in newly-written code. Modify the "tab-expand" and "tab-fill" child properties instead. Query the packing attributes for the tab label of the page containing child.