private void miClear_Click(object sender, EventArgs e)
{
length = 0;
height = 0;
circles = new List<Circle>();
placed_circles = new List<Circle>();
current_index = 0;
triple = new TripleClass();
Invalidate();
}
public void Add(TripleClass triple)
{
triple.prev = this;
triple.next = this.next;
triple.prev.next = triple;
triple.next.prev = triple;
}
public TripleClass()
{
prev = this;
next = this;
}
public void Reset()
{
current = start;
}
public bool MoveNext()
{
current = current.next;
return current != start;
}
public Enumerator(TripleClass triple)
{
start = triple;
current = triple;
}
public void Del()
{
prev.next = next;
next.prev = prev;
prev = this;
next = this;
}
