static void Main(string[] args)
{
Console.WriteLine("-----------------Events----------------");
CellPhone phone = new CellPhone();
CellPhonesCallLog log = new CellPhonesCallLog();
CallHandler handler = new CallHandler(phone);
log.AttachListner(phone);
Console.WriteLine("--------------Calling first time with two listners");
phone.NewCallHappened("sergey", DateTime.Now, "1234567");
handler.DetachNewCallEvent(phone);
Console.WriteLine("--------------Calling agian without the handler");
phone.NewCallHappened("sergey", DateTime.Now, "1234567");
Console.ReadLine();
}
public CallHandler(CellPhone phone)
{
phone.NewCallEvent += HandleTheCall;
}
public void DetachNewCallEvent(CellPhone phone)
{
phone.NewCallEvent -= HandleTheCall;
}
public void DetachListner(CellPhone phone)
{
phone.NewCallEvent -= AddNewCallLog;
}