/// <summary>
/// Insert a value at the specified index.
/// </summary>
/// <param name="index">
/// The zero-based index at which value should be inserted.
/// </param>
/// <param name="value">
/// The Object to insert into the IList.
/// </param>
public virtual void Insert(int index, object value)
{
if (this.IsReadOnly)
{
throw new NotSupportedException();
}
if (index == count)
{
this.AddBack(value);
}
else
{
enumerator.MoveTo(index);
if (enumerator.MoveNext())
{
ListNode insert = (ListNode)enumerator.Current;
this.InsertNode(value, insert);
}
}
}
