System.Collections.Generic.SynchronizedKeyedCollection<K, T>
namespace System.Collections.Generic
{
public abstract class SynchronizedKeyedCollection<K, T> : SynchronizedCollection<T>
{
public T this[K key] { get; }
protected IDictionary<K, T> Dictionary { get; }
protected SynchronizedKeyedCollection();
protected SynchronizedKeyedCollection(object syncRoot);
protected SynchronizedKeyedCollection(object syncRoot, IEqualityComparer<K> comparer);
protected SynchronizedKeyedCollection(object syncRoot, IEqualityComparer<K> comparer, int dictionaryCreationThreshold);
protected void ChangeItemKey(T item, K newKey);
public bool Contains(K key);
protected abstract K GetKeyForItem(T item);
public bool Remove(K key);
}
}