public override ConceptualItem Clone()
{
ConceptualHtmlTopic item = new ConceptualHtmlTopic(this);
if (_listItems != null)
{
item._listItems = _listItems.Clone();
}
return(item);
}
public ConceptualHtmlTopic(ConceptualHtmlTopic source)
: base(source)
{
_listItems = source._listItems;
}