System.Collections.ObjectModel.KeyedCollection<TKey, TItem>
namespace System.Collections.ObjectModel
{
public abstract class KeyedCollection<TKey, TItem> : Collection<TItem>
{
public IEqualityComparer<TKey> Comparer { get; }
protected IDictionary<TKey, TItem> Dictionary { get; }
public TItem this[TKey key] { get; }
protected KeyedCollection();
protected KeyedCollection(IEqualityComparer<TKey> comparer);
protected KeyedCollection(IEqualityComparer<TKey> comparer, int dictionaryCreationThreshold);
protected void ChangeItemKey(TItem item, TKey newKey);
public bool Contains(TKey key);
protected abstract TKey GetKeyForItem(TItem item);
public bool Remove(TKey key);
}
}