We have released a .Net pdf component, Aspose.Pdf.Kit1.0, which manipulates existing pdf document. With it , you can:
1. Append and insert pages , merge and split two files.
2. Retrieve the meta information of file, further change the information.
3. Post logo and watermark on each page of file.
4. Encrypt pdf file with owner and user’s passwords to protect your copyrights, decryption and security setting are surported, too.
Release 22.214.171.124 can be download here.