/// <summary>
/// Adds a Paragraph, List, Table or another Section
/// to this Section.
/// </summary>
/// <param name="o">an object of type Paragraph, List, Table or another Section</param>
/// <returns>a bool</returns>
public new bool Add(Object o)
{
try
{
IElement element = (IElement)o;
if (element.Type == Element.SECTION)
{
Section section = (Section)o;
section.SetNumbers(++subsections, numbers);
base.Add(section);
return(true);
}
else if (o is MarkedSection && ((MarkedObject)o).element.Type == Element.SECTION)
{
MarkedSection mo = (MarkedSection)o;
Section section = (Section)(mo.element);
section.SetNumbers(++subsections, numbers);
base.Add(mo);
return(true);
}
else if (element.IsNestable())
{
base.Add(o);
return(true);
}
else
{
throw new Exception(element.Type.ToString());
}
}
catch (Exception cce)
{
throw new Exception("Insertion of illegal Element: " + cce.Message);
}
}
