TasksPlugin.ViewModels.TaskDetailsViewModel.UpdateResponses C# (CSharp) Method

        private void UpdateResponses() {
            Responses.Clear();
            if (task == null || !task.Labels.ContainsKey(RecipientsKey)) return;
            UpdateTaskStatus();
            foreach (var recipient in task.Labels[RecipientsKey].Split(new[] {','}, StringSplitOptions.RemoveEmptyEntries)) {
                var responseViewModel = new ResponseViewModel(recipient);
                var recipientKey = recipient.Trim().Replace(' ', '_');
                if (task.Labels.ContainsKey(recipientKey)) responseViewModel.Response = task.Labels[recipientKey];
                responseViewModel.PropertyChanged += (sender, args) => {
                    task.Labels[responseViewModel.LabelKey] = responseViewModel.Response;
                    if (service.IsLocal) service.SaveXml();
                    task.NotifyOfPropertyChange("Labels");
                    UpdateTaskStatus();
                };
                Responses.Add(responseViewModel);
            }
        }