WeakKeyComparer<TKey> class WeakKeyComparer<TKey> : IEqualityComparer<object> Documentation Code public static readonly WeakKeyComparer<TKey> Default public WeakKeyComparer(IEqualityComparer<TKey> comparer) public bool Equals(object objA, object objB) public int GetHashCode(object obj) public TKey Unwrap(object obj) public object Wrap(TKey key)