public void Insert(string id, string name, string location)
{
Person person = new Person(id, name, location);
if (Head == null)
{
Head = new Person();
Head.Next = person;
person.Previous = Head;
Current = person;
}
else
{
Current.Next = person;
person.Previous = Current;
Current = person;
}
}
public PersonList()
{
Head = null;
Current = null;
}
public bool MoveNext()
{
if (currentNode == null && personList.Head != null) {
currentNode = personList.Head;
return true;
}
if ( currentNode.Next != null)
{
currentNode = currentNode.Next;
return true;
}
else
{
return false;
}
}
public void Reset()
{
currentNode = personList.Head;
}
public PersonEnumerator(Person head)
{
currentNode = head;
}
