public TransposedItemsSource(IEnumerable source)
{
if (source is null)
{
throw new ArgumentNullException(nameof(source));
}
this.source = new WeakReference(source);
var type = source.GetElementType();
this.Properties = TypeDescriptor.GetProperties(type);
this.rows = this.Properties.OfType <PropertyDescriptor>()
.Select(x => new TransposedRow(this, x))
.ToList();
this.IsReadOnly = this.Properties.OfType <PropertyDescriptor>()
.Any(x => !x.IsReadOnly);
if (source is INotifyCollectionChanged incc)
{
CollectionChangedEventManager.AddListener(incc, this);
}
foreach (var inpc in this.Source.OfType <INotifyPropertyChanged>())
{
PropertyChangedEventManager.AddListener(inpc, this, string.Empty);
}
}