/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>.
*
* @param parent the parent of this outline item
* @param destination the destination for this outline item
* @param title the title of this outline item
* @param open <CODE>true</CODE> if the children are visible
*/
public PdfOutline(PdfOutline parent, PdfDestination destination, PdfString title, bool open)
: this(parent, destination, title.ToString(), true)
{
}