List box with counter time..

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I am creating an Audio recording where I want to display the counter time in my list box as soon as the recording gets start..eg: 0: 0:1, 0: 0:2, 0: 0:3..

The following code starts with the current computer time..eg:11:55,11:56,11:57...
can anyone please tell me how to start with the 0: 0: 0..time in my list box

C#

 private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            DispatcherTimer dispatcherTimer = new DispatcherTimer();
            dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
            dispatcherTimer.Tick += new EventHandler(dispatcherTimer_Tick);
            dispatcherTimer.Interval = new TimeSpan(0, 0, 1);
            dispatcherTimer.Start();
        }

private void dispatcherTimer_Tick(object sender, EventArgs e)
        {
            listBox1.Items.Add(DateTime.Now.Hour.ToString() + ":" +
            DateTime.Now.Second.ToString());

            CommandManager.InvalidateRequerySuggested();
            listBox1.Items.MoveCurrentToLast();
            listBox1.SelectedItem = listBox1.Items.CurrentItem;
            listBox1.ScrollIntoView(listBox1.Items.CurrentItem);
         }

Posted 29-Apr-11 21:03pm

Anay Vaidya

Updated 29-Apr-11 21:18pm

Sandeep Mewara

v2

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Sandeep Mewara 30-Apr-11 3:18am

Always use PRE tags to format your code aprt. It makes the question readable.

1 solution

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DrNimnull · Accepted Answer · 2011-04-29T21:25:00

Hi,

you must iterate a Timespan and display it

C#

TimeSpan total;
TimeSpan interval;

private void Window_Loaded(object sender, RoutedEventArgs e)
{
DispatcherTimer dispatcherTimer = new DispatcherTimer();
dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
dispatcherTimer.Tick += new EventHandler(dispatcherTimer_Tick);

interval = new TimeSpan(0,0,1);
dispatcherTimer.Interval = interval;
dispatcherTimer.Start();

}
 
private void dispatcherTimer_Tick(object sender, EventArgs e)
{
total = total.Add(interval);
listBox1.Items.Add(total.ToString()); 
CommandManager.InvalidateRequerySuggested();
listBox1.Items.MoveCurrentToLast();
listBox1.SelectedItem = listBox1.Items.CurrentItem;
listBox1.ScrollIntoView(listBox1.Items.CurrentItem);
}

Hope it helps