Author Archives: Denis Gvardionov

Working with Encrypted Documents in GroupDocs.Viewer for .NET

GroupDocs.Viewer for .NETSpecific document types, in particular Adobe PDF and the family of Microsoft Office documents (Word, Excel, and PowerPoint) can be encrypted and password protected, i.e. may require a password to open them (do not confuse this with the password protection against document editing). Not a long time ago GroupDocs.Viewer for .NET was not able to display such encrypted documents. For the first time, support for encrypted PDF and Microsoft Word document was introduced in GroupDocs.Viewer for .NET version 2.16. And… Continue Reading
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Opening Remote Documents with GroupDocs.Viewer for .NET

GroupDocs.Viewer for .NETGroupDocs.Viewer for .NET provides multiple options to open a document. Usually documents are stored in a form of files and are placed inside the root storage folder. Such documents should be pointed by using the .FilePath() method of the ClientHelper class, which is a main part of the GroupDocs.Viewer widget where all document- and display-related parameters are specified. When there is no way to get documents from files, they can be obtained in a form of byte streams. The .Stream()Continue Reading
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Protect Your Documents with Watermarks in GroupDocs.Viewer for .NET

GroupDocs.Viewer for .NETOne of the most requested and hence actively developed features in GroupDocs.Viewer for .NET is watermarking. Watermarking allows you to protect documents that you display on the web from screen-grabbing. In GroupDocs.Viewer for .NET watermarks are implemented as customizable text that can be added over a displayed document, overlapping its content. For the first time the ability to add watermarks was implemented in GroupDocs.Viewer for .NET version 2.0. In its first implementation, the feature had a number of restrictions. In… Continue Reading
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A Complete Guide for Developing a GroupDocs.Viewer for .NET Plugin for Kentico CMS

GroupDocs.Viewer for .NETAs you may have already noticed, GroupDocs has many plugins available for 3rd party platforms and across all products we offer. We constantly expand this list and a few months ago we have announced a release of the new GroupDocs.Viewer for .NET plugin for Kentico CMS. This new plugin is very different from the cloud-based version we released earlier. The cloud-based version simply creates an iframe on a web-page where you want to display a document and redirects all input… Continue Reading
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GroupDocs.Viewer for .NET Library Version 2.8.0 – New Page Layout, Smoother Scrolling and Enhanced Document Sharing Security

GroupDocs.Viewer for .NETRecently we’ve updated our GroupDocs.Viewer for .NET library up to the version 2.8.0. In this post I’d like to discover some of the most remarkable updates implemented in this latest version:

New Page Layout Options

So far, when viewing documents, you had the following page layout options:
  • Scroll view – pages are placed in a continuous chain, one after another.
  • One page in a row – one page fit to client’s screen. No page turn animation.
  • Double page flip
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GroupDocs.Comparsion for .NET Sample – Compare Two Documents in C#/VB.NET and Display Diffs on APS.NET Sites

GroupDocs.Comparison for .NET LogoGroupDocs.Comparison for .NET is a diff/merge library that allows you to compare two versions of a document and generate a resulting file by applying or rejecting the differences found. Using the library, you can compare two Word documents, PDF files, PowerPoint presentations, Excel spreadsheets, TXT, ODT or HTML files. The library is designed as a middleware which makes it easy for developers to integrate it into any document management/collaboration workflow. It is written in a 100% managed code and can… Continue Reading
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Seamlessly Build an ASP.NET Document Viewer to Display Over 50 Types of Documents, Including PDF, Microsoft Word and Excel

GroupDocs.Viewer for .NETGroupDocs.Viewer for .NET is a web-oriented middleware designed to display over 50 different document types in a browser. It is a client-server library that converts documents into an HTML-compatible format and then renders them in a browser just as a regular web-page. As a result, you don’t have to install any third-party software or browser plugins on the client. Documents can be viewed from any modern web-browser, including IE8+, Chrome, FireFox, Opera, Safari 5+ and their mobile versions. Recently, we… Continue Reading
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Loading Documents from Streams with the GroupDocs.Viewer for .NET Library

Greetings! As you may noticed, in most GroupDocs.Viewer for .NET sample projects, target documents are presented in the form of files. They are usually placed in the “testfiles” folder, which is specified in the Global.asax. So you might think that GroupDocs.Viewer can work with files only. But this is not true – GroupDocs.Viewer can also load documents from byte streams (System.IO.Stream). Moreover, there are no limitations on the type of stream: whether it’s a FileStream, a MemoryStream… Continue Reading
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Convert Back and Forth Between 50+ Document Formats in VB.NET & C#: Word to PDF, PDF to Image, HTML to PDF and More

GroupDocs.Conversion for .NET LibraryGroupDocs.Conversion for .NET is one of emerging products in the GroupDocs product family. GroupDocs.Conversion allows users to convert documents to and from over 50 different formats, including Word (DOC, DOCX) to PDF, PDF to image (TIFF, JPG), HTML to PDF, Word to HTML and many more. Unlike most of the software on the market, GroupDocs.Conversion is a .NET middleware designed specifically for easy integration into other applications. Thanks to its flexible API, GroupDocs.Conversion can be used in any .NET application:… Continue Reading
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GroupDocs.Viewer 2.0 – New Features and Improvements in the Document Viewer for .NET Library (Part B)

Greetings! This is Part B of my post looking at the new features and enhancements to the GroupDocs document viewer for .NET version 2.0. For those of you who missed my previous post, please find it here. This time I’m going to continue describing the core updates that the library has seen in the second major release. So, here we go:

Enhanced Text Search Options

GroupDocs.Viewer 2.0 includes a lot of helpful text search improvements. And importantly, all the… Continue Reading
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