private void ApplicationStartup(object sender, StartupEventArgs e)
{
// Thread.Sleep(4000);
var main = new MainWindow();
using var register = new RegisterationWindow();
using var login = new LoginWindow();
if (LicenceIsValid() || (register.ShowDialog().Equals(true)))
{
if (login.ShowDialog().Equals(true))
{
login.Dispose();
login.Close();
main.ShowDialog();
}
}
register.Dispose();
register.Close();
login.Dispose();
login.Close();
main.Close();
}
private void MenuItem_Click(object sender, RoutedEventArgs e)
{
RegisterationWindow r = new RegisterationWindow();
r.ShowDialog();
}