private void LogoutButton_Click(object sender, System.Windows.RoutedEventArgs e)
 {
     CreateNewMessageButton.IsEnabled = false;
     CreateNewMessageButton.Opacity   = 0;
     LogOutButton.IsEnabled           = false;
     LogOutButton.Opacity             = 0;
     Session.LogOut();
     CurrentWorkSpace.Content = new TestLoginWindow(CurrentWorkSpace);
 }