public override void OnCloseDocument(PdfWriter writer, Document document)
{
base.OnCloseDocument(writer, document);
int pageN = writer.PageNumber;
String text = "Page " + pageN.ToString() + "/";
PdfContentByte canvas = writer.DirectContent;
iTextSharp.text.Rectangle pageSize = document.PageSize;
ColumnText.ShowTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(text + pageSize.ToString(), titleFont), 450, 10, 0);
}