GrapeCity.Documents.Pdf.TimeStamp.HashDelegate declaration changed to HashDelegate(byte[] dataToHash, Stream streamToHash, out byte[] hash, out OID hashAlgorithmOid).
New Features and Improvements
Added GrapeCity.Documents.Pdf.Layers.ViewState class which represents the view state of a PDF document. Allows specifying visible layers, current zoom and other transient info when exporting PDFs to images, searching for text etc.
Added GcPdfDocument.SavingDocument event which is fired periodically when the document is being saved or exported. It can be used to implement a progress indicator.
Added GrapeCity.Documents.Pdf.Security.DocumentSecurityStore class which represents a Document Security Store (DSS). It holds information that can be used to verify signatures offline.
Added GcPdfDocument.SecurityStore property which gets the DocumentSecurityStore object associated with this document. It enables support for PAdES B-LT, B-LTA and LTV enabled signatures.
Added GrapeCity.Documents.Pdf.TimeStampProperties class which represents properties used to time stamp a PDF document.
Added GcPdfDocument.TimeStamp() methods which add a document time stamp and save the current document to a file or stream.
Added GrapeCity.Documents.Pdf.Page.SaveAsSvg() methods which save the current page to a stream of file in SVG format.
Added GrapeCity.Documents.Pdf.Page.ToSvgz() method which saves the page to a byte array in SVGZ format.
