// This uses 1 of C#'s 2 build-in event handlers:
// 1. EventHandler(object sender, EventArgs e);
// 2. EventHandler<TEventArgs>(object sender, TEventArgs e)
// But you could also build your own.
// https://docs.microsoft.com/en-us/dotnet/standard/events/how-to-raise-and-consume-events
public void OnEvent()
{
Console.WriteLine("Child's event gets triggert.");
ChildEvent?.Invoke(
sender: this,
e: EventArgs.Empty);
}
public object InvokeChildEvent()
{
return(ChildEvent.Invoke());
}
