private static void Show(MultipleOfEventArgs e)
 {
     Console.WriteLine($"{e.Value} is a multiple of {e.Text} reached! ");
 }
 public static void ProcessMultipleOfFiveReached(object sender, MultipleOfEventArgs e)
 {
     Show(e);
 }
 public static void ProcessSourceLambda(MultipleOfEventArgs e, string text)
 {
     Console.WriteLine($"LAMBDA SOURCE CALLEDS {text} for {e.Value} / {e.Text}");
 }