Looks up @stock_id in the icon factories associated to @context and the default icon factory, returning an icon set if found, otherwise %NULL.
an icon name
Return: The looked up %GtkIconSet, or %NULL
Deprecated: Use gtk_icon_theme_lookup_icon() instead.
See Implementation
Looks up @stock_id in the icon factories associated to @context and the default icon factory, returning an icon set if found, otherwise %NULL.