public override string ToPDF()
{
String pdf = String.Empty;
pdf += ObjectNum.ToString() + " " + GenerationNum.ToString() + " obj " + "\n";
pdf += "<<" + "\n";
pdf += "/Pages " + PdfPageTree.GetPdfPageTree().GetRefStr() + "\n";
pdf += "/Type /Catalog" + "\n";
pdf += ">>" + "\n";
pdf += "endobj " + "\n";
return(pdf);
}
internal static PdfPageTree GetPdfPageTree()
{
if (_pdfPageTree == null)
{
lock (_object)
{
if (_pdfPageTree == null)
{
_pdfPageTree = new PdfPageTree();
}
}
}
return(_pdfPageTree);
}