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Author Archives: Muhammad.umar
How to Redact in Word Processing Documents Using C# or Java Programming
How to redact in Word – The redacted meaning is extensively searched over the internet now a days . C# or Java programming developers might want to upgrade their editing apps by adding a feature to redact in Word, redact PDF or they might need some redacted text in many kinds of documents. If you are a developer and want to enable text redaction in your app , the stuff below is definitely for you.
Why redacted information
… Continue ReadingHow To Remove Watermark from PDF Documents using C#
Remove Watermark from PDF in C# – If you are looking to create an application to delete watermark from a PDF document. This article is a good learning source for C# programming developers.
Significance of Removing Watermarks from PDF documents

Watermark importance is very high for all those who intend to ascertain their copyrights if in case their data gets copied somewhere. The information contained within the watermark designates the authority of the owner and prevents other users from deleting … Continue Reading
Searching in a Large Number of Documents
Usually, a searching software is able to achieve fast search responses because, instead of search the text directly, it searches an index. This would be the equivalent of retrieving pages in a book related to a keyword by searching the index at the back of a book, as opposed to searching the words in each page of the book.
Using GroupDocs.Search for Indexing and Searching
Problem: Suppose you have 10 million documents of different file formats, e.g. MS Word, Spreadsheets, … Continue Reading
Posted in GroupDocs.Search Product Family Tagged Facet Search, Fuzzy, GroupDocs, GroupDocs.Search, Indexing, lucene, search api, Searching, Stop Words
C# and Java APIs to View CAD Documents
CAD (Computer-Aided Design) files may contain 2D or 3D designs. They are generated by CAD software programs, which can be used to create models or architectural plans. 2D CAD files are often referred to as drawings, while 3D files are often called models, parts, or assemblies.
The AutoCAD is arguably the most prevalent CAD software on the market. It’s used by professionals and hobbyists alike. If you work with CAD, you’re likely to already be familiar with some of AutoCAD’s … Continue Reading
Posted in GroupDocs.Viewer Product Family Tagged AutoCAD, Computer Aided Design, dwf, dwg, dxf, GroupDocs.Viewer for .NET, GroupDocs.Viewer for Java, ifc, renderer, stl, viewer
Watermark Word Processing Documents
A watermark in presentation software and word processing is frequently used in a slightly different manner than digital watermarks used in other digital multimedia content. This watermark is often a faded image or text as a background of a slide or a page. It is meant to enhance but is not the focal point of the page/slide. Watermarks are sometimes used in the form of a logo, discreetly placed on a slide or page to brand the presentation or document. … Continue Reading
Rendering Documents as PDF
The Portable Document Format (PDF) is a file format to present documents, including text formatting and images, in a manner independent of the application software, hardware, and operating systems. Based on the PostScript language, each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, vector graphics, raster images and other information needed to display it.
This post demonstrates the usage of the GroupDocs.Viewer APIs (GroupDocs.Viewer for .NET and GroupDocs.Viewer for Java) to render the … Continue Reading
Posted in GroupDocs.Viewer Product Family
Rendering Archive Documents
The Compressed files (e.g .ZIP or TAR) use file compression in order to save the disk space. Also, the compressed archive formats can be used to compress multiple files into a single archive. This post demonstrates the usage of the GroupDocs.Viewer API to render the list of files or folders from an archive file.