Reads the print settings from 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 gtk.print_settings.PrintSettings.toFile.
Reads the print settings from 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 gtk.print_settings.PrintSettings.toFile.