/// <summary>
/// Creates a new OrderedDictionary. The Compare baseMethod of the passed comparison object
/// will be used to compare keys in this dictionary.
/// </summary>
/// <remarks>
/// The GetHashCode and Equals methods of the provided IComparer<TKey> will never
/// be called, and need not be implemented.</remarks>
/// <param name="comparer">An instance of IComparer<TKey> that will be used to compare keys.</param>
public OrderedDictionary(IComparer <TKey> comparer) :
this(null, comparer, Comparers.ComparerKeyValueFromComparerKey <TKey, TValue>(comparer))
{
if (comparer == null)
{
throw new ArgumentNullException("comparer");
}
}
/// <summary>
/// <para>Creates a new OrderedDictionary. The Compare baseMethod of the passed comparison object
/// will be used to compare keys in this dictionary.</para>
/// <para>A collection and keys and values (typically another dictionary) is used to initialized the
/// contents of the dictionary.</para>
/// </summary>
/// <remarks>
/// The GetHashCode and Equals methods of the provided IComparer<TKey> will never
/// be called, and need not be implemented.</remarks>
/// <param name="keysAndValues">A collection of keys and values whose contents are used to initialized the dictionary.</param>
/// <param name="comparer">An instance of IComparer<TKey> that will be used to compare keys.</param>
public OrderedDictionary(IEnumerable <KeyValuePair <TKey, TValue> > keysAndValues, IComparer <TKey> comparer)
: this(keysAndValues, comparer, Comparers.ComparerKeyValueFromComparerKey <TKey, TValue>(comparer))
{
if (comparer == null)
{
throw new ArgumentNullException("comparer");
}
}