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ReaderExtensionService:applyUsageRights returns null attachment, Language:C#


Not applicable
I'm trying to call the ReaderExtensionService using C# console application. The code is


static void Main(string[] args)


ReaderExtension.ReaderExtensionsServiceService reader = new Acro_Comments.ReaderExtension.ReaderExtensionsServiceService();

reader.Credentials = new System.Net.NetworkCredential("administrator", "password");

FileStream pdfFile = new FileStream("D:\\PDF\\XMP-Embedding.pdf", FileMode.Open);

byte[] pdfContent = new byte[pdfFile.Length];

pdfFile.Read(pdfContent, 0, (int)pdfFile.Length);

ReaderExtension.BLOB pdfBytes = new Acro_Comments.ReaderExtension.BLOB();

pdfBytes.binaryData = pdfContent;

ReaderExtension.ReaderExtensionsOptionSpec spec = new Acro_Comments.ReaderExtension.ReaderExtensionsOptionSpec();

spec.usageRights = new Acro_Comments.ReaderExtension.UsageRights();

spec.message = "Add Comments";

spec.usageRights.enabledComments = true;

// spec.usageRights.enabledCommentsOnline =true;




spec.modeFinal = true;

ReaderExtension.BLOB pdfWrite = reader.applyUsageRights(pdfBytes, "SHARED_REVIEW", "fcVdvQQiGU", spec);

FileStream writePDF = new FileStream("D:\\PDF\\Return.pdf", FileMode.CreateNew);

writePDF.Write(pdfWrite.binaryData, 0, (int)pdfContent.Length);



catch (Exception ex)







But the applyUsageRights API returns null for the Blob attachment,binaryData. Please help me?

I have the Adobe LiveCycle 8.0 ES suite installed. I have used Express Mode and configured the ReaderExtesnion service no other service are configured.

The Os:Windows 2003 server

.NEt Framework:2.0


I have Adobe Acrobat Reader 8.0 installed....


Debasish Pramanik
0 Replies


Not applicable
I figured it out, we need to put a suffix to the URL before invoking the applyUsageRights

reader.Url = reader.Url + "?blob=base64";

This url is good help

but the rights not getting enabled on the PDF..I will keep you guys updated...