Gets the file that section was parsed from. If no such file exists, for example because the CSS was loaded via gtk_css_provider_load_from_data(), then NULL is returned.
the GFile that section was parsed from or NULL if section was parsed from other data. [transfer none] Since 3.2
See Implementation
Gets the file that section was parsed from. If no such file exists, for example because the CSS was loaded via gtk_css_provider_load_from_data(), then NULL is returned.