internal void DeleteOutlines()
{
PdfDictionary catalog = reader.Catalog;
PdfObject obj = catalog.Get(PdfName.OUTLINES);
if (obj == null)
return;
if (obj is PRIndirectReference) {
PRIndirectReference outlines = (PRIndirectReference)obj;
OutlineTravel(outlines);
PdfReader.KillIndirect(outlines);
}
catalog.Remove(PdfName.OUTLINES);
MarkUsed(catalog);
}