Programmatically setting master page from parent site

Below is a code snippet for Programmatically inheriting master page from parent site

PublishingWeb area = PublishingWeb.GetPublishingWeb(web);

                area.Navigation.InheritGlobal = true;

                area.MasterUrl.SetInherit(true, true);

                area.AlternateCssUrl.SetInherit(true, true);

                area.Update();