How to Get a Performance Counter in C#?

How to Get a Performance Counter in C#?

namespace PerformanceCounters
{
    class Program
    {
        static void Main(string[] args)
        {
            Timer _timer = new Timer(OnTick, null, 0, 2000);
            Console.ReadLine();
        }

        public static TimeSpan UpTime
        {
            get
            {
                using (var uptime = new PerformanceCounter("System", "System Up Time"))
                {
                    //Call this an extra time before reading its value
                    uptime.NextValue();
                    return TimeSpan.FromSeconds(uptime.NextValue());
                }
            }
        }

        private static void OnTick(object i_state)
        {
            Console.WriteLine("System Uptime:\t" + UpTime);
        }
    }
}