// See https://aka.ms/new-console-template for more information using System; using EventPatternStudy; void OnNewNumber(object sender, NewNumberEventArgs args) { Console.WriteLine($"{args.TimeStamp}: {args.EventNumber}. event occured"); if (args.EventNumber % 5 == 0) args.Cancel = true; } EventProvider eventProvider = new(); eventProvider.NewNumber += OnNewNumber; eventProvider.Start(); Console.ReadKey();