public MyList(krug value)
{
var node = new Node(value);
Head = node;
current = Head;
Tail = node;
count++;
}
public void DrawKrug(krug k, Graphics g)
{
Pen pen;
if (k.color == 1)
{
pen = new Pen(Brushes.Blue);
}
else
{
pen = new Pen(Brushes.Red);
}
g.DrawEllipse(pen, k.x - diam / 2, k.y - diam / 2, diam, diam);
}
public void add(krug value)
{
var node = new Node(value);
if (Head == null)
{
Head = node;
}
else
{
Tail.next = node;
}
Tail = node;
count++;
}
public void delete(krug value)
{
if (Head != null)
{
if (Head.data.Equals(value))
{
if (current.next != Tail && current.next != null)
{
Head = Head.next;
count--;
current = Head;
return;
}
else
{
if (current.next == Tail)
{
Head = Tail;
current = Head;
count--;
return;
}
else
{
Head = null;
Tail = null;
current = null;
return;
}
}
}
current = Head.next;
var pred = Head;
while (current != null)
{
if (current.data.Equals(value))
{
if (current == Tail && pred == Head)
{
Tail = Head;
current = Head;
current.next = null;
return;
}
if (current.next == null)
{
Tail = pred;
count--;
current = Tail;
current.next = null;
return;
}
else
{
pred.next = current.next;
count--;
current = pred;
return;
}
}
pred = current;
current = current.next;
}
}
return;
}
public Node(krug value)
{
data = value;
}
