public int AddPhoneNumber(string number, int addedCells)
{
if (string.IsNullOrEmpty(number))
return addedCells;
else
{
int firstValue = int.Parse(number[0].ToString());
var child = ChildCells.FirstOrDefault(_ => _.Value == firstValue);
if (child == null)
{
child = new Cell() {Value = firstValue};
addedCells++;
ChildCells.Add(child);
}
return child.AddPhoneNumber(number.Substring(1, number.Length-1), addedCells);
}
}
private void ChangeStateOfCell(Cell cell)
{
cell.state = !cell.state;
}
public Agenda()
{
_storage = new Cell() {Value = -1};
}