Candy.Client.ViewModels.SettingsViewModel.SettingsViewModel C# (CSharp) Method

        public SettingsViewModel(CandySettings settings)
        {
            _settings = settings;
            _phantom = _settings.Clone();

            ApplicationInformationServiceUrl = _phantom.ToReactivePropertyAsSynchronized(x => x.ApplicationInformationServiceUrl)
                                                       .SetValidateAttribute(() => ApplicationInformationServiceUrl);
            ApplicationRootDirectoryPath = _phantom.ToReactivePropertyAsSynchronized(x => x.ApplicationRootDirectoryPath);

            SetDefaultServiceCommand = ApplicationInformationServiceUrl.DistinctUntilChanged()
                                                                       .Select(x => x != CandySettings.DefaultApplicationInformationServiceUrl)
                                                                       .ToReactiveCommand();
            SetDefaultServiceCommand.Subscribe(_ => SetDefaultService());

            OkCommand = new ReactiveCommand();
            OkCommand.Subscribe(_ => ApplySettings());

            CancelCommand = new ReactiveCommand();
            CancelCommand.Subscribe(_ => Cancel());
        }