private void StartupMgMenuItem(object sender, RoutedEventArgs e)
 {
     if (getClient() != null)
     {
         FrmStartupManager frmSm = new FrmStartupManager(getClient());
         frmSm.Text = SetWindowTitle("Remote Desktop", getClient());
         frmSm.Show();
         frmSm.Focus();
     }
 }