static void Main(string[] args)
{
#region Test
//Account a1 = new Account("Harry");
//Account a2 = new Account("Ron");
//SpyNotifications spy = new SpyNotifications(a2);
//a1.Send(a1.CreateMessage("Hi, Ann! How are you?", a2));
//a1.Send(a1.CreateMessage("I'm Alex, from Kyiv", a2));
//a2.Send(a2.CreateMessage("Hi, Alex! I'm from Lviv", a1));
//a1.ShowDialog(a2.Username);
#endregion
Lesson lesson = new Lesson();
lesson.OnStart += OnStart_Program;
lesson.OnLessonEvent += Method;
lesson.OnLessonEvent += (sender, e) => Console.WriteLine("Anonym on event");
OnLessonStart onLesson = () => Console.WriteLine("in object");
lesson?.OnStart?.Invoke();
MathOperation plus = (a, b) => a + b;
MathOperation minus = (a, b) => a - b;
MathOperation miltiply = (a, b) => a * b;
MathOperation divide = (arg1, arg2) => arg1 / arg2;
PersonUpdate update = p => p.Q++; // 1 in chain
update += (p) => p.Age--; // 2 in chain
update += update; // 4 in chain
update += update; // 8 in chain
update += (p) => Console.WriteLine(p.ToString());
Person person = new Person("QWERTY", 25, 0);
update(person);
}
public Lesson()
{
OnStart += MyMethod;
}
