Question

I have a game in C# and I need to allow tournament mode in which each round will be of 2 minutes. How can I display the time from 0:00 up till 2:00 on the form?

I have this in a constructor:

        Timer timer = new Timer();
        timer.Interval = 1000;
        timer.Tick += new EventHandler(Timer_Tick);
        timer.Start();

And this is the Event Handler

    void Timer_Tick(object sender, EventArgs e)
    {
        this.textBox1.Text = DateTime.Now.ToLongTimeString();
    }

but I don’t know how I can begin the time from 0:00 instread of the current time.. I tried creating a DateTime instance but when I do myDateTime.ToString(); in the event handler, it just remains 0:00.

I tried searching but I can’t find anything related.
Thanks a lot !

Answer 1

You need a member variable that is in scope for both the timer initialization and the Timer_Tick event handler.

class Something
{
    DateTime _myDateTime;
    Timer _timer;

    public Something()
    {
        _timer = new Timer();
        _timer.Interval = 1000;
        _timer.Tick += Timer_Tick;

        _myDateTime = DateTime.Now;
        _timer.Start();

    }

    void Timer_Tick(object sender, EventArgs e)
    {
        var diff = DateTime.Now.Subtract(_myDateTime);
        this.textBox1.Text = diff.ToString();
    }
}