private void Exit_Click_Rapidly(object sender, RoutedEventArgs e)
 {
     LogInPersAccount log = new LogInPersAccount();
     this.Close();
     log.ShowDialog();
 }
 private void Login_Click(object sender, RoutedEventArgs e)
 {
     LogInPersAccount log = new LogInPersAccount();
     this.Hide();
     log.ShowDialog();
 }