System.ConsolePal.Beep C# (CSharp) Метод

        public static void Beep()
        {
            Interop.Kernel32.Beep(BeepFrequencyInHz, BeepDurationInMs);
        }

 public static void Beep(int frequency, int duration)
 {
     ConsolePal.Beep(frequency, duration);
 }