OrderedDictionary<TKey, TValue>
sealed class OrderedDictionary<TKey, TValue> : IDictionary<TKey, TValue>, ICollection<KeyValuePair<TKey, TValue>>, IEnumerable<KeyValuePair<TKey, TValue>>, IEnumerable, IList<KeyValuePair<TKey, TValue>>
public OrderedDictionary()
public OrderedDictionary(ICollection<KeyValuePair<TKey, TValue>> dictionary, IEqualityComparer<TKey> equalityComparer)