using System;

​

public class Test

{

    public static bool IsRunningOnMono ()

    {

        return Type.GetType ("Mono.Runtime") != null;

    }

​

    public static void Main()

    {

        Console.WriteLine("Mono? {0}", IsRunningOnMono() ? "Да" : "Нет");

        int s = 100;

        TimeSpan delay = TimeSpan.FromHours(s);

        Console.WriteLine(delay);

    }

}