internal TreeViewItemViewModel(TreeViewItemModel item)
{
Model = item;
Title = item
.ObserveProperty(x => x.Title)
.ToReadOnlyReactivePropertySlim()
.AddTo(disposable);
Tag = item
.ObserveProperty(x => x.Tag)
.ToReadOnlyReactivePropertySlim()
.AddTo(disposable);
Children = item.Children
.ToReadOnlyReactiveCollection(x => new TreeViewItemViewModel(x))
.AddTo(disposable);
new[]
{
Children.CollectionChangedAsObservable().OfType <object>(),
Children.ObserveElementObservableProperty(x => x.Title).OfType <object>(),
Children.ObserveElementObservableProperty(x => x.Tag).OfType <object>(),
Children.ObserveElementProperty(x => x.Children).OfType <object>()
}
.Merge()
.Subscribe(_ => OnPropertyChanged(new PropertyChangedEventArgs(nameof(Children))))
.AddTo(disposable);
}
