public new bool Delete(Notebook value)
{
TwoNode current = Head;
while (current != null)
{
if (current.element.Equals(value))
{
break;
}
current = current.nextElement;
}
if (current != null)
{
if (current.nextElement != null)
{
current.nextElement.element = current.element;
}
else
{
Tail.element = current.element;
}
if (current.element != null)
{
current.nextElement = current.nextElement;
}
else
{
Head = current.nextElement;
}
Counter--;
return(true);
}
return(false);
}
public IEnumerable BackEnumerator()
{
TwoNode current = Tail;
while (current != null)
{
yield return(current);
current = current.element;
}
}
public IEnumerator StartEnumerator()
{
TwoNode current = Head;
while (current != null)
{
yield return(current);
current = current.nextElement;
}
}
public new Notebook this[int index]
{
get
{
TwoNode current = Head;
int i = 0;
while (current != null && i != index)
{
current = current.nextElement;
i++;
}
return(current.Element);
}
}
public new void Add(Notebook value)
{
TwoNode twonode = new TwoNode(value, null);
if (Head == null)
{
Head = twonode;
}
else
{
Tail.nextElement = twonode;
TwoNode previous = Tail;
}
Tail = twonode;
Counter++;
}
public new void AddFirst(Notebook value)
{
TwoNode twonode = new TwoNode(value, null);
TwoNode Tail = Head;
twonode.nextElement = Tail;
Head = twonode;
if (Counter == 0)
{
Tail = Head;
}
else
{
Tail.nextElement = twonode;
}
Counter++;
}
