private void Timer_Tick(object sender, EventArgs e)
{
TimeSpan TS = Time - stopwatch.Elapsed;
TimeLabel.Text = String.Format("{0:00}:{1:00}:{2:00}", TS.Hours, TS.Minutes, TS.Seconds);
if (TS.Hours == 0 && TS.Minutes == 0 && TS.Seconds == 0)
{
stopwatch.Stop();
Timer.Stop();
K = XmlTest.Questions.Count - 1;
PushButton.PerformClick();
}
}