file.name. 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. See gtkPrintSettingsToFile.gtkPrintSettingsNewFromFile(file.name, .errwarn = TRUE)file.nameGtkPrintSettings] the restored GtkPrintSettingserrorNULL. [ allow-none ]