Memory Steam is not expandable error after applying lic file

Aspose.PDF Product Family
1

If I create a license ( Aspose.Pdf.Kit.License lic = new Aspose.Pdf.Kit.License();
FileStream myStream = new FileStream("Aspose.Pdf.Kit.lic", FileMode.Open);
lic.SetLicense(myStream);
myStream.Close();)

before or in the following method I receive an error. System.NotSupportedException (Memory Stream is not expandable)

If I don't create a license it works as it should (all be it with the demo text)

private static byte[] RenderReadOnly(byte[] incoming)
{

MemoryStream inStream = new MemoryStream(new byte[incoming.Length]);
inStream.Write(incoming, 0, incoming.Length);

MemoryStream outStream = new MemoryStream(new byte[incoming.Length]);

PdfFileSecurity pdfs = new PdfFileSecurity(inStream, outStream);
try
{

pdfs.SetPrivilege(DocumentPrivilege.Print); // error occures here.
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
inStream.Close();
outStream.Close();

byte[] result = outStream.ToArray();
pdfs = null;
return result;


}

2

Hello,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

Thanks for considering Aspose.

I have tested the code at my end and was able to re produce the error. But as you mentioned in your comments, if we don’t create license it works fine. I am receiving the same error in either case. If it does not violate your policy, can you please share the project with us in order for us to have more understanding.

3

Hi,

You should modify your code like the following:

MemoryStream outStream = new MemoryStream();

4

Removing size from the MemoryStream constructor, does indeed resolve the issue. Thank you for the quick and accurate reply!