/// <summary>
/// Create new FullnameCollection with names sorted from supplied FullnameCollection
/// </summary>
/// <param name="fullnameCollection"></param>
/// <returns>new FullnameCollection</returns>
public FullnameCollection SortByLastnameGivenname(FullnameCollection fullnameCollection)
{
var sortedNames = fullnameCollection.OrderBy(x => x.Lastname + x.Givennames).ToList();
return(new FullnameCollection(sortedNames));
}
