MemoryStream.ToArray() always works even after the stream is closed. I've no idea why you would get that exception in this case.
Paulo > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf Of mike mike > Sent: Tuesday, October 24, 2006 11:31 AM > To: [email protected] > Subject: Re: [iText-questions] sign a file in memory, not in disk > > sorry, maybe I miss something but I don't understand, do you mind to > use signedStream.ToArray() after st.close() ? I get the same > exception. > > > > 2006/10/24, Paulo Soares <[EMAIL PROTECTED]>: > > signedStream.ToArray() > > > > Paulo > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] On > > > Behalf Of mike mike > > > Sent: Tuesday, October 24, 2006 11:00 AM > > > To: [email protected] > > > Subject: [iText-questions] sign a file in memory, not in disk > > > > > > Hi, > > > > > > working with C# (.NET 2.0) and itextsharp (v 3.1.5) . > > > > > > The piece of code at the end of thos mail is to sign a file. > > > > > > When I sign a pdf and got the signed pdf into a file, it > runs fine. ( > > > as in the comment lines //xxx ) > > > > > > But if I want to keep the signed file in a MemoryStream > in place of a > > > FileStream, when the signature has been done (st.close()), my > > > MemoryStream no longer exists, it has been "disposed" and I get a > > > > > > System.ObjectDisposedException > > > > > > Is there an error in the code? or st.close() makes free the stream > > > provided and I cannot use it? > > > > > > Below the code: > > > > > > PdfReader reader = new PdfReader("filetosign.pdf"); > > > > > > MemoryStream signedStream = new MemoryStream(); > > > //xxx FileStream signedStream = new new > FileStream("signedFile.pdf", > > > FileMode.Create, FileAccess.Write); > > > > > > //In the next instruction I use a Memory Stream in place of a > > > FileStream to get the result > > > PdfStamper st = PdfStamper.CreateSignature(reader, > > > signedStream, '\0',null); > > > > > > st.SetEncryption(PdfWriter.STRENGTH128BITS, null,"hello", > > > PdfWriter.AllowPrinting); > > > PdfSignatureAppearance sap = st.SignatureAppearance; > > > > > > sap.SetCrypto(this.myCert.Akp, this.myCert.Chain, null, > > > PdfSignatureAppearance.WINCER_SIGNED); > > > > > > sap.Reason = "x"; > > > sap.Contact = "y"; > > > sap.Location = "z"; > > > > > > st.Close(); > > > > > > //xxx FileStream signedStream = new new > FileStream("signedFile.pdf", > > > FileMode.Open, FileAccess.Read); > > > > > > long numBytes = signedStream.Length; // HERE I GET THE EXCEPTION > > > > > > Thanks for your help. > > > > > > -------------------------------------------------------------- > > > ----------- > > > Using Tomcat but need to do more? Need to support web > > > services, security? > > > Get stuff done quickly with pre-integrated technology to make > > > your job easier > > > Download IBM WebSphere Application Server v.1.0.1 based on > > > Apache Geronimo > > > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&; > > > dat=121642 > > > _______________________________________________ > > > iText-questions mailing list > > > [email protected] > > > https://lists.sourceforge.net/lists/listinfo/itext-questions > > > > > > > > > Aviso Legal: > > Esta mensagem é destinada exclusivamente ao destinatário. > Pode conter informação confidencial ou legalmente protegida. > A incorrecta transmissão desta mensagem não significa a perca > de confidencialidade. Se esta mensagem for recebida por > engano, por favor envie-a de volta para o remetente e > apague-a do seu sistema de imediato. É proibido a qualquer > pessoa que não o destinatário de usar, revelar ou distribuir > qualquer parte desta mensagem. > > > > Disclaimer: > > This message is destined exclusively to the intended > receiver. It may contain confidential or legally protected > information. The incorrect transmission of this message does > not mean the loss of its confidentiality. If this message is > received by mistake, please send it back to the sender and > delete it from your system immediately. It is forbidden to > any person who is not the intended receiver to use, > distribute or copy any part of this message. > > > > > > > > > > > -------------------------------------------------------------- > ----------- > > Using Tomcat but need to do more? Need to support web > services, security? > > Get stuff done quickly with pre-integrated technology to > make your job easier > > Download IBM WebSphere Application Server v.1.0.1 based on > Apache Geronimo > > > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&; > dat=121642 > > > > _______________________________________________ > > iText-questions mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/itext-questions > > > > > > > > -------------------------------------------------------------- > ----------- > Using Tomcat but need to do more? Need to support web > services, security? > Get stuff done quickly with pre-integrated technology to make > your job easier > Download IBM WebSphere Application Server v.1.0.1 based on > Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&; > dat=121642 > _______________________________________________ > iText-questions mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/itext-questions > Aviso Legal: Esta mensagem é destinada exclusivamente ao destinatário. Pode conter informação confidencial ou legalmente protegida. A incorrecta transmissão desta mensagem não significa a perca de confidencialidade. Se esta mensagem for recebida por engano, por favor envie-a de volta para o remetente e apague-a do seu sistema de imediato. É proibido a qualquer pessoa que não o destinatário de usar, revelar ou distribuir qualquer parte desta mensagem. Disclaimer: This message is destined exclusively to the intended receiver. It may contain confidential or legally protected information. The incorrect transmission of this message does not mean the loss of its confidentiality. If this message is received by mistake, please send it back to the sender and delete it from your system immediately. It is forbidden to any person who is not the intended receiver to use, distribute or copy any part of this message. ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ iText-questions mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/itext-questions
