what is this ??? LocalFileSettingsProvider

Question

in the following piece of code ,I don't know what I should put instead of LocalFileSettingsProvider (first line of code)

Please help ,please provide a detailed instruction as I am new for this settings thing,

  SettingsProvider sp = settings.Providers ["LocalFileSettingsProvider"];            

            SettingsProperty p = new SettingsProperty("your_prop_name");

            your_class conf = null;

            p.PropertyType = typeof(your_class);

            p.Attributes.Add(typeof(UserScopedSettingAttribute), new UserScopedSettingAttribute());

            p.Provider = sp;

            p.SerializeAs = SettingsSerializeAs.Xml;

            SettingsPropertyValue v = new SettingsPropertyValue(p);

            settings.Properties.Add(p);

            settings.Reload();

            conf = (your_class)settings["your_prop_name"];

            if (conf == null)

            {

                settings["your_prop_name"] = conf = new your_class();

                settings.Save();

            }