void client_GetPlayerByNameCompleted(object sender, ServiceReference1.GetPlayerByNameCompletedEventArgs e)
 {
     try
     {
         App.Me = e.Result;
         NavigationService.Navigate(new Uri("/Lobby.xaml", UriKind.Relative));
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message.ToString());
     }
 }
 void client_GetPlayerByNameCompleted(object sender, ServiceReference1.GetPlayerByNameCompletedEventArgs e)
 {
     try
     {
         App.Me = e.Result;
         NavigationService.Navigate(new Uri("/Lobby.xaml", UriKind.Relative));
     }
     catch (NullReferenceException)
     {
         MessageBox.Show("Please try another Nickname \n This one already exists");
     }
     catch (TargetInvocationException)
     {
         MessageBox.Show("Please try another Nickname \n This one already exists");
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message.ToString());
     }
 }