Windows.Security.Credentials.PasswordVault.FindAllByUserName C# (CSharp) Method

		public extern IVectorView<PasswordCredential> FindAllByUserName([In] string userName);
		public extern IVectorView<PasswordCredential> RetrieveAll();

        private bool SaveSettings(string user, string password, string host, string port, Scheme scheme)
        {
            var vault = new PasswordVault();
            foreach (var pwdCredential in vault.RetrieveAll())
            {
                vault.Remove(pwdCredential);
            }

            vault.Add(new PasswordCredential(ResourceName, user, password));

            var res = vault.FindAllByUserName(user);
            ApplicationDataContainer localSettings = ApplicationData.Current.LocalSettings;
            localSettings.Values["host"] = host;
            localSettings.Values["scheme"] = scheme.ToString();
            localSettings.Values["port"] = port.ToString();       
            MainPage.SplunkService = null;
            return true;
        }