/// <summary>
/// Returns an element if it exists under that name, or raise an exception.
/// </summary>
public T GetByName(String name, bool mustExcept = true)
{
T item = namedItems.OptGetItem(name);
if (item != null)
{
return(item);
}
if (mustExcept)
{
throw new BMException("Name '{0}' not found for type '{1}'.", name, typeof(T).FullName);
}
return(null);
}