/** Gets a <CODE>PdfContentByte</CODE> to write under the page of
* the original document.
* @param pageNum the page number where the extra content is written
* @return a <CODE>PdfContentByte</CODE> to write under the page of
* the original document
*/
public PdfContentByte GetUnderContent(int pageNum)
{
return(stamper.GetUnderContent(pageNum));
}