public void InsertBefore(Bond front)
{
if (front.Previous != null)
{
Bond back = front.Previous;
this.Next = front;
this.Previous = back;
back.Next = this;
front.Previous = this;
}
else
{
this.Previous = null;
this.Next = front;
front.Previous = this;
}
}
public void InsertAfter(Bond back)
{
if (back.Next != null)
{
Bond front = back.Previous;
this.Next = front;
this.Previous = back;
back.Next = this;
front.Previous = this;
}
else
{
this.Previous = back;
this.Next = null;
back.Next = this;
}
}