Concatenate Large PDF, Identify Corrupted PDFs & Add Image Field Type

What's New in this Release?

The latest version of Aspose.Pdf for .NET (6.9.0) has been released. This release includes the ability to check if the source PDF file is correct or corrupted. This feature has been in great demand by many customers that have faced problems during PDF concatenation. If any of the source files are corrupted the whole process gets disturbed and interrupted. We also have introduced a feature that lets you add an image field type to an existing PDF document. Some customers wanted to be able to apply justified alignment to a multiline text field, so we have made it possible with the help of FormFieldFacade.AlignJustified value. CheckBoxes can have the values Check, Circle, Diamond, Square and Cross when selected inside the PDF form. Our development team has worked hard to stabilize and improve the HTML to PDF, PDF to image, PDF to HTML, and PDF to XPS conversions as well as filling form fields, merging PDF files, extracting text and many other features. This release has also been tested in a multi-threaded environment and works great. This release includes plenty of new and improved features as listed below

·         Add support of XHTML-formatted rich text fields value

·         Allow to justify the text in the multiline text box while filling the value

·         check if the source PDF is corrupted

·         Add support to Add Image Field type

·         Add support of Stream in CreateFileAttachment (... ) method

·         PDF generation time should be reduced.

·         IIndexBitmapConverter and related SaveAsTIFF methods are not available

·         Checkbox should be display "X" in checked state

·         PngDevice memory leak - pins alot of byte[] in memory

·         PdfMend works slow

·         Add support for rendering of XFA forms

·         PdfViewer properly prints PDF file

·         Issue in PDF to PNG Conversion is resolved

·         PDF to Image conversion is corrected

·         Improved PDF to PNG rendering

·         Table height issue is fixed when text height is set

·         Image is added correctly in the PDF file

·         Append multiple files issues is now resolved

·         Highlight Annotations rendering properly when converting Pdf Document to PNG Images

·         Page is now rendered properly in 6.3 (and 6.4)

·         PdfConverter problem: Generated images rotate 180 degrees is fixed.

·         Apply form field fonts successfully

·         Black boxes instead of letters in image is now fixed

·         PDF forms filling using a PDF form and a XFDF file now work correctly

·         Application Hanging is resolved when converting PDF to JPG using PdfConverter

·         Cut out header is fixed when converting PDF to JPEG using PdfConverter

·         Problem whlie filling PDF form is now fixed

·         Z-Index creating problem in Aspose.Pdf v6.7 is now resolved

·         Properly convert attached file into PNG image using PngDevice

·         PDF to Image conversion gives a black and white image is now fixed

·         Change orientation to portrait when splitting landscape PDF

·         PDF getting Corrupted when deleting Annotation is now fixed

·         PDF to HTML conversion issue is resolved

·         Embedded font corruption is fixed when first page removed

·         PDF to PNG conversion issue is fixed

·         Black background issue is now fixed when converting PDF to TIFF format

·         Fix postscript function Evaluator

·         Problem while converting PDF to PDF/A is resolved

·         Improved conversion from PDF to image

·         Error is resolved when accessing to document object (Each key should be Pdf Name)

·         The problem with Japanese characters in bookmarks is fixed

·         XPS to PDF conversion issue resolved

·         Adding a stamp to PDF file produces large size PDF document is now fixed 

·         Object is  now correctly saved with incremental update

·         Background image now properly rendering while converting XSL-FO to PDF

·         Formatting lost is fixed after HTML to PDF conversion

·         Enhanced merging of Large PDF Files

Other most recent bug fixes are also included in this release.

Newly added documentation pages and articles

Some new tips and articles have now been added into Aspose.Pdf for .NET documentation that may guide you briefly how to use Aspose.Pdf for performing different tasks like the followings.

- Set the Appearance of the document:  

- Set Page Transition Effect:

Overview: Aspose.Pdf for .NET

Aspose.Pdf is a .Net Pdf component for the creation and manipulation of Pdf documents without using Adobe Acrobat. Create PDF by API, XML templates & XSL-FO files. It supports form field creation, PDF compression options, table creation & manipulation, graph objects, extensive hyperlink functionality, extended security controls, custom font handling, add or remove bookmarks; TOC; attachments & annotations; import or export PDF form data and many more. Also convert HTML, XSL-FO and MS WORD to PDF.

More about Aspose.Pdf for .NET

- Homepage of Aspose.Pdf for .NET:

- Online Demo for Aspose.Pdf for .NET at:

- Download Aspose.Pdf for .NET at:

- Read online documentation of Aspose.Pdf for .NET at:

- Post your technical questions/queries to Aspose.Pdf for .NET Forum:

- Receive notifications about latest news and supported features by subscribing to Aspose.Pdf for .NET blog at:

Contact Information

Aspose Pty Ltd, Suite 163,

79 Longueville Road

Lane Cove, NSW, 2066


Phone: 888.277.6734

Fax: 866.810.9465


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