Hi!
I bought the book and read chapter 6 about handling existing PDF files.
After it I wrote the following code:
String outFile = "";
String myInputPdfFile =
@"c:\Excel97-2007BinaryFileFormat(xls)Specification.pdf";
String myOutputPdfFile = @"c:\";
Document document = null;
PdfCopy copy;
PdfReader pdfReader = null;
pdfReader = new PdfReader(myInputPdfFile);
int pdfPages = pdfReader.NumberOfPages;
for (int i = 1; i < pdfPages + 1; i++)
{
outFile = Path.Combine(myOutputPdfFile,
String.Format("{0}_{1}.pdf",
Path.GetFileNameWithoutExtension(myInputPdfFile), i));
using (FileStream fs = new FileStream(outFile, FileMode.Create,
FileAccess.Write))
{
document = new Document();
copy = new PdfCopy(document, fs);
document.Open();
copy.AddPage(copy.GetImportedPage(pdfReader, i));
document.Close();
Application.DoEvents();
}
}
It runs through the first 9 pages then I get the following error
message on the 10th page: Unable to cast object of type
'iTextSharp.text.pdf.PdfArray' to type
'iTextSharp.text.pdf.PRIndirectReference'.
The first 9 pages are valid but the 10th page is unreadable by my PDF
reader. What can be the problem?
I tried with several PDF files, but all of them failed on some pages.
I checked these pages, there is nothing special about them.
Here is the file I tried in the example:
http://www.gigasize.com/get.php?d=3kgwhxdl89d
Btw I'm using iTextSharp 5.0.1.1, so it's not so old.
Thanks
Botond
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