/// <summary>
/// Removes the item at the specified index.
/// </summary>
///
/// <exception cref="IndexOutOfRangeException">
/// Thrown when the index is outside the bound of the current set.
/// </exception>
///
/// <param name="index">
/// Zero-based index of the item to remove.
/// </param>
public void RemoveAt(int index)
{
if (index >= Count || Count == 0)
{
throw new IndexOutOfRangeException("Index out of range");
}
T item = OrderedList.ElementAt(index);
MutableList.Remove(item);
MutableListOrdered.Remove(item);
Touch();
}
/// <summary>
/// Indexer to get or set items within this collection using array index syntax.
/// </summary>
///
/// <param name="index">
/// Zero-based index of the entry to access.
/// </param>
///
/// <returns>
/// The indexed item.
/// </returns>
public T this[int index]
{
get
{
return(OrderedList.ElementAt(index));
}
set
{
T item = OrderedList.ElementAt(index);
MutableList.Remove(item);
MutableList.Add(value);
int i = MutableListOrdered.IndexOf(item);
MutableListOrdered[i] = value;
Touch();
}
}