Reads the page setup from the group group_name in the key file key_file. Returns a new #GtkPageSetup object with the restored page setup, or null if an error occurred.
the #GKeyFile to retrieve the page_setup from
the name of the group in the key_file to read, or null to use the default name “Page Setup”
the restored #GtkPageSetup
ErrorWrap
Reads the page setup from the group group_name in the key file key_file. Returns a new #GtkPageSetup object with the restored page setup, or null if an error occurred.