ERP.LoginUI.RegistrationForm.CreateComboBoxWithSecurityQuestions C# (CSharp) Метод

        private static ComboBox CreateComboBoxWithSecurityQuestions()
        {
            // Use reflection to grab all the localized security questions
            IEnumerable<string> availableQuestions = from propertyInfo in typeof(SecurityQuestions).GetProperties()
                                                     where propertyInfo.PropertyType.Equals(typeof(string))
                                                     select (string)propertyInfo.GetValue(null, null);

            // Create and initialize the ComboBox object
            ComboBox comboBox = new ComboBox();
            comboBox.ItemsSource = availableQuestions;
            return comboBox;
        }

        /// <summary>
        /// Wire up the Password and PasswordConfirmation Accessors as the fields get generated.
        /// </summary>
        private void RegisterForm_AutoGeneratingField(object dataForm, DataFormAutoGeneratingFieldEventArgs e)
        {
            // Put all the fields in adding mode
            e.Field.Mode = DataFieldMode.AddNew;

            if (e.PropertyName == "Password")
            {
                PasswordBox passwordBox = (PasswordBox)e.Field.Content;
                this.registrationData.PasswordAccessor = () => passwordBox.Password;
            }
            else if (e.PropertyName == "PasswordConfirmation")
            {
                PasswordBox passwordConfirmationBox = (PasswordBox)e.Field.Content;
                this.registrationData.PasswordConfirmationAccessor = () => passwordConfirmationBox.Password;
            }
            else if (e.PropertyName == "UserName")
            {
                TextBox textBox = (TextBox)e.Field.Content;
                textBox.LostFocus += this.UserNameLostFocus;
            }
            else if (e.PropertyName == "Question")
            {
                // Create a ComboBox populated with security questions
                ComboBox comboBoxWithSecurityQuestions = RegistrationForm.CreateComboBoxWithSecurityQuestions();

                // Replace the control
                // Note: Since TextBox.Text treats empty text as string.Empty and ComboBox.SelectedItem
                // treats an empty selection as null, we need to use a converter on the binding
                e.Field.ReplaceTextBox(comboBoxWithSecurityQuestions, ComboBox.SelectedItemProperty, binding => binding.Converter = new TargetNullValueConverter());
            }
        }