// return true or false - exist element value in stack.
public bool Exist(ElementType value)
{
if (head == null)
{
return(false);
}
ListElement temp = head;
for (temp = head; temp.Next() != null && temp.Value() != value; temp = temp.Next())
{
;
}
return(temp.Value() == value);
}
//return position element with vale value.
public Position PositionElement(ElementType value)
{
ListElement temp = head;
int i = 0;
for (temp = head; temp != null && temp.Value() != value; temp = temp.Next(), i++)
{
;
}
if (temp.Value() == value)
{
return(i);
}
return(-1);
}
/// <summary>
/// Print stack.
/// </summary>
public void Print()
{
if (head == null)
{
Console.WriteLine("Stack is empty");
return;
}
ListElement pos = head;
for (pos = head; pos.Next() != null; pos = pos.Next())
{
Console.Write("{0} -> ", pos.Value());
}
Console.Write("{0}", pos.Value());
Console.WriteLine();
}
// print stack.
public void Print()
{
Console.WriteLine();
if (head == null)
{
Console.WriteLine("List is Empty");
return;
}
ListElement temp = head;
for (temp = head; temp.Next() != null; temp = temp.Next())
{
Console.Write("{0}, ", temp.Value());
}
Console.WriteLine("{0}", temp.Value());
}