Weird things with C# events

Question

I'm learning events and delegates and decided to write such console application. Program should message me every 3 and 5 seconds. But it doesn't do anything.

I have a class WorkingTimer:

class WorkingTimer
{
    private Timer _timer = new Timer();
    private long _working_seconds = 0;

    public delegate void MyDelegate();

    public event MyDelegate Every3Seconds;
    public event MyDelegate Every5Seconds;

    public WorkingTimer()
    {
        _timer.Interval = 1000;
        _timer.Elapsed += _timer_Elapsed;            
        _timer.Start();
    }

    void _timer_Elapsed(object sender, ElapsedEventArgs e)
    {            
        _working_seconds++;
        if (Every3Seconds != null && _working_seconds % 3 == 0)
            Every3Seconds();
        if (Every5Seconds != null && _working_seconds % 5 == 0)
            Every5Seconds();
    }
}

and actually the program:

class Program
{
    static void Main(string[] args)
    {
        WorkingTimer wt = new WorkingTimer();
        wt.Every3Seconds += wt_Every3Seconds;
        wt.Every5Seconds += wt_Every5Seconds;
    }

    static void wt_Every3Seconds()
    {
        Console.WriteLine("3 seconds elapsed");
    }

    static void wt_Every5Seconds()
    {
        Console.WriteLine("5 seconds elapsed");
    }
}

So, when I run it doesn't do anything. But I tried to make exactly same program in Windows Form Application and it worked great. The difference only is in Timer events Elapsed and Tick.

What am i doing wrong?

Answer 1

The program exits at the end of the Main function. Try adding a dummy Console.ReadLine() to keep it running.

The resulting code would be:

static void Main(string[] args)
{
    WorkingTimer wt = new WorkingTimer();
    wt.Every3Seconds += wt_Every3Seconds;
    wt.Every5Seconds += wt_Every5Seconds;
    Console.ReadLine();
}