public StringBuilder PrintNodeList()
{
DoubleNode n = Head;
StringBuilder Sb = new StringBuilder();
while (n != null)
{
Sb.AppendFormat(n.Value.ToString());
n = n.Next;
}
return(Sb);
}
/// <summary>
/// Add the integer value to the end of the list.
/// </summary>
/// <param name="node"></param>
public void AddLast(DoubleNode node)
{
if (CountOfNodes == 0)
{
Head = node;
}
else
{
Tail.Next = node;
node.Previous = Tail;
}
Tail = node;
CountOfNodes++;
}
/// <summary>
/// Returns true if the list contains the specified item, otherwise returns false.
/// </summary>
/// <param name="number"></param>
/// <returns></returns>
public bool Contains(int number)
{
DoubleNode n = Head;
while (n.Next != null)
{
if (n.Value == number)
{
return(true);
}
n = n.Next;
}
return(false);
}
/// <summary>
/// Adds the integer value to the start of the list.
/// </summary>
/// <param name="node"></param>
public void AddFirst(DoubleNode node)
{
DoubleNode temp = Head;
Head = node;
Head.Previous = null;
Head.Next = temp;
CountOfNodes++;
if (CountOfNodes == 1)
{
Tail = Head;
}
}
/// <summary>
/// Constructor of a new node that receive integer value.
/// </summary>
/// <param name="value"></param>
public DoubleNode(int value)
{
Value = value;
Next = null;
Previous = null;
}