public ChatCollectServiceCreationPresetControlViewModel(IRegionManager regionManager, Model.TVTComment model)
        {
            this.regionManager        = regionManager;
            this.model                = model;
            ChatCollectServiceEntries = model.ChatServices.SelectMany(x => x.ChatCollectServiceEntries).Select(x => new SelectableViewModel <Model.ChatCollectServiceEntry.IChatCollectServiceEntry>(x)).ToList();
            foreach (var entry in ChatCollectServiceEntries)
            {
                entry.PropertyChanged += ChatCollectServiceEntryListItemChanged;
            }
            ChatCollectServiceEntries.First().IsSelected = true;

            OkCommand = new DelegateCommand(() =>
            {
                var entry  = ChatCollectServiceEntries.FirstOrDefault(x => x.IsSelected)?.Value;
                var option = OptionRegionViewModel?.GetChatCollectServiceCreationOption();
                if (string.IsNullOrWhiteSpace(PresetName.Value) || entry == null || option == null)
                {
                    return;
                }
                confirmation.ChatCollectServiceCreationPreset = new Model.ChatCollectServiceCreationPreset(PresetName.Value, entry, option);
                confirmation.Confirmed = true;
                FinishInteraction();
            });
            CancelCommand = new DelegateCommand(() => { confirmation.Confirmed = false; FinishInteraction(); });
        }
        private void serviceEntryChanged()
        {
            var    entry = ChatCollectServiceEntries.FirstOrDefault(x => x.IsSelected)?.Value;
            string creationOptionControl = entry switch
            {
                Model.ChatCollectServiceEntry.NichanChatCollectServiceEntry _ => "NichanChatCollectServiceCreationOptionControl",
                   Model.ChatCollectServiceEntry.FileChatCollectServiceEntry _ => "FileChatCollectServiceCreationOptionControl",
                   Model.ChatCollectServiceEntry.NiconicoLiveChatCollectServiceEntry _ => "NiconicoLiveChatCollectServiceCreationOptionControl",
                   _ => "",
            };

            regionManager.RequestNavigate("ChatCollectServiceCreationSettingsControl_CreationOptionRegion", creationOptionControl);
        }