WPF

dataGrid1.Columns[8].timepicker.IsEnabled=false;

private void _Loaded(object sender, RoutedEventArgs e)
{
    if (List.SelectedIndex >= 0)
    {
        ListBoxItem item = 
            (ListBoxItem)
            List.ItemContainerGenerator.ContainerFromIndex(List.SelectedIndex);
        item.Focus();
    }
    else
    {
        List.Focus();
    }
}

public class GameObject : ObservableCollection<Property>
  {
      public string Name { get; set; }

      public override string ToString()
      {
          return Name;
      }
  }