/// <summary>
/// Adds a command to the tail of the linked list.
/// </summary>
/// <param name="cmd"></param>
public void Add(Command cmd)
{
switch(size)
{
case 0:
head = new DualPointer(null, null, cmd);
tail = new DualPointer(null, null, cmd);
break;
case 1:
tail.GetPreviousPointer = head;
tail.MyCommand = cmd;
head.GetNextPointer = tail;
break;
default:
tail.GetPreviousPointer = tail;
tail.MyCommand = cmd;
break;
}
size++;
}
/// <summary>
/// Constructor for the DualPointer.
/// </summary>
/// <param name="bef"></param>
/// <param name="af"></param>
/// <param name="comd"></param>
public DualPointer(DualPointer bef, DualPointer af, Command comd)
{
before = bef;
after = af;
myComd = comd;
}
