private void btn1_Click_1(object sender, RoutedEventArgs e)
{
SeccPage se = new SeccPage();
se.Show();
this.Hide();
}
public MainWindow()
{
InitializeComponent();
tim = TimeSpan.FromSeconds(4);
tmr = new DispatcherTimer(new TimeSpan(0, 0, 1), DispatcherPriority.Normal, delegate
{
if (tim == TimeSpan.Zero)
{
tmr.Stop();
SeccPage se = new SeccPage();
se.Show();
this.Hide();
}
;
tim = tim.Add(TimeSpan.FromSeconds(-1));
}, Application.Current.Dispatcher);
}