group.name in key.file. Returns a
new GtkPrintSettings object with the restored settings, or NULL if an
error occurred. If the file could not be loaded then error is set to either
a GFileError or GKeyFileError.gtkPrintSettingsNewFromKeyFile(key.file, group.name, .errwarn = TRUE)key.fileGKeyFile to retrieve the settings fromgroup.nameNULL to use
the default "Print Settings". [ allow-none ]GtkPrintSettings] the restored GtkPrintSettingserrorNULL. [ allow-none ]