public void OnSomethingHappened()
{
Console.WriteLine("SOS!");
SomethingHappened?.Invoke();
SendMessage?.Invoke(this.GetType(), new MessageArgs()
{
ShipName = "Titanic", Message = "SOS"
});
}
private void timer1_Tick(object sender, EventArgs e)
{
TimeSpan ts = qurrentQuiz.End.Subtract(DateTime.Now);
TimeLeft = ts.ToString("s''");
SomethingHappened?.Invoke(this, EventArgs.Empty);
if (TimeLeft.Equals("0"))
{
getResult();
}
}
public EventsMulticast()
{
SomethingHappened += Method1;
SomethingHappened += Method2;
SomethingHappened += Method3;
SomethingHappened += Method4;
SomethingHappened += Method5;
SomethingHappened.Invoke(new object(), null);
//On encounter of exception at Method3, Method4 and Method5 are not called
}
public override void Pay()
{
if (Money >= trip.Price)
{
Money -= trip.Price;
SomethingHappened += Client_SomethingHappened;
SomethingHappened?.Invoke();
}
else
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"{Name},you dont't have enough money");
Console.ResetColor();
}
}
public override void Pay()
{
if (Account >= ride.Price)
{
Account -= ride.Price;
SomethingHappened += AccountState;
SomethingHappened?.Invoke();
}
else
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"{Name},sorry, but you dont't have enough money");
Console.ResetColor();
}
}
public void Demo(Person person)
{
// Simplest use.
string name = person?.Name;
// Can be chained. The first null will break the chain.
string zipCode = person?.Address.ZipCode ?? "";
// Works nicely with the null-coalescing operator.
string zipCode2 = person?.Address?.ZipCode ?? "00000";
// An example with a nullable type. Person.Age is an int.
int?age1 = person?.Age;
int age2 = (person?.Age).GetValueOrDefault();
// Works with invoking methods. Here Level is an enum.
Level level = (person?.GetLevel()).GetValueOrDefault(Level.Unknown);
// Great to guard when an event has no subscribers.
SomethingHappened?.Invoke(this, new SomethingHappenedEventArg());
}
public void DoSomething() => SomethingHappened?.Invoke(this, EventArgs.Empty);
private void InvokeSomethingHappened()
{
SomethingHappened?.Invoke();
}
public void Trigger(string something)
{
SomethingHappened?.Invoke(this, new SomethingHappenedEventArgs(something));
}
public void OnSomethingHappened()
{
SomethingHappened?.Invoke(this, EventArgs.Empty);
}
private void SimulateSomethingHappened()
{
SomethingHappened?.Invoke(this, new EventArgs());
}
/// <summary>
/// Raise event.
/// </summary>
internal void FireEvent()
{
Console.WriteLine("Fire SomethingHappened!!!");
SomethingHappened?.Invoke();
}
