public void InsertAfter(Row r)
{
Next.Prev = r;
r.Prev = this;
r.Next = Next;
Next = r;
}
/// <summary>
/// Creates (introduces) a (full) row by set values
/// </summary>
/// <param name="y">Insert at</param>
/// <param name="values">Values to insert</param>
protected void CreateFullRow(int y, int[] values)
{
Row cur = this.Bottom;
for (; y > 0; y--)
cur = cur.Next;
Row f = new Row(this.Width);
f.Values = values;
cur.InsertAfter(f);
this.Top.Prev.Remove();
}