public object RemoveAtIndex(int index)
{
IndexedLink findResult = FindAtIndex(index);
object result = findResult.Value;
RemoveLink(findResult);
return(result);
}
public Link InsertAtIndex(int index, object value)
{
if (index == 0)
{
return(InsertHead(value));
}
if (index == Count)
{
return(InsertTail(value));
}
IndexedLink findResult = FindAtIndex(index);
Link result = InsertAfter(findResult.RingLink.Previous, value);
if (index == 0)
{
Head = findResult.RingLink.Previous;
}
return(result);
}
public void InsertRangeAtIndex(int index, IEnumerable values)
{
if (index == Count)
{
foreach (object value in values)
{
InsertTail(value);
}
return;
}
IndexedLink findResult = FindAtIndex(index);
Link tail = (index == 0) ? Head.Previous : null;
Link link = findResult.RingLink.Previous;
foreach (object value in values)
{
link = InsertAfter(link, value);
}
if (tail != null)
{
Head = tail.Next;
}
}
