private void _trackedUsersManager_SessionUserUpdated(object sender, RLTracker.Models.Session.Session e)
        {
            var selectedItem = TrackedUserGrid.SelectedItem;

            if (selectedItem != null)
            {
                var record = selectedItem as TrackedUserViewModel;

                sessionsViewModel = new SessionsViewModel();
                ViewModelMapper.SessionViewModel(e, sessionsViewModel, record.Name);
                SelectedPlayer.Content       = record.Name;
                SessionsDataGrid.DataContext = sessionsViewModel.Sessions;
                SessionsDataGrid.Items.Refresh();
                if (TrackedGrid.RowDefinitions[2].Height == new GridLength(0))
                {
                    TrackedGrid.RowDefinitions[2].Height = new GridLength(TrackedGrid.ActualHeight / 2 - 5);
                }
            }
        }