SenseNet.ContentRepository.User.SetOldPasswords C# (CSharp) Method

        private void SetOldPasswords(List<PasswordField.OldPasswordData> oldPasswords)
        {
            if (oldPasswords == null)
                return;

            var serializer = new XmlSerializer(typeof(List<PasswordField.OldPasswordData>));
            using (var writer = new StringWriter()) {
                serializer.Serialize(writer, oldPasswords);
                this.OldPasswords = writer.ToString();
            }
        }