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  1. Sign documents with QR-code embedded object | G...

    This article explains how to create encrypted QR-code electronic signature with embedded custom object...with embedded and encrypted data in QR-code signatures / Sign...Signature: Implement if needed custom data serialization class that implement...

    docs.groupdocs.com/signature/java/sign-document...
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  2. Sign Images with Metadata Signature using Group...

    New month, new release! We have released version 19.1 of GroupDocs.Signature for .NET that brings a couple of new features as well as two bug fixes and two improvements. The latest version provides metaData signature features for image files. Furthermore, the API now supports rounded corners for rectangle stamp signature types. For more details on what’s new in the latest release, please have a look at release notes. Features Introduced MetaData Signature Features for ImagesIn the latest version, we have introduced a new feature of singing images with metaData signatures that are based on Exchangeable Image File Format (EXIF) specification.... This class contains data about the radius of the square...NET API References Examples - Source Code Examples, Showcases, and...

    blog.groupdocs.com/signature/sign-images-with-m...
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  3. Sign documents with standard QR-code entries | ...

    This article explains how to create QR-code electronic signature with standard encoded entries like Address, Email, V-Card, MeCard, EPC/SEPA, Event etc...with embedded and encrypted data in QR-code signatures / Sign...instance of class and pass source document path as a constructor...

    docs.groupdocs.com/signature/java/sign-document...
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  4. Redaction SDK saving text file as xlsx - Free S...

    Hi Team, I have a text file when it’s redacted by the GroupDocs Redaction Java SDK the output is saving as xlsx file instead of as text. This is an unexpected behaviour as the SDK guarantees that it’s saved in native fo…...we want to see the redacted data, but it’s not supposed to happen...Please take a look at these source and output.zip (813 Bytes)...

    forum.groupdocs.com/t/redaction-sdk-saving-text...
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  5. How to generate QR Code and sign document using...

    This guide describes how to improve your document with generated QR code using C#. Sign your documents with a QR Code and various standard QR code elements like Event QR Code, contact QR Code as VCard or MeCard, SEPA payment QR Code using GroupDocs.Signature .NET API by GroupDocs....contents of the QR Code embedded data. These signatures could be scanned...keeping over 2 Kilobytes of data. Native .NET API for Electronic...

    docs.groupdocs.com/signature/net/how-to-generat...
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  6. Convert PDF to Grayscale JPG & PNG Images using C#

    Transform PDF documents to grayscale JPG or PNG images in C#. Apply gamma, manage contrast or control brightness within .NET application....channels and contains a lot of data/noise, hence, more computational...Convert method. The following C# source code converts the PDF document...

    blog.groupdocs.com/conversion/convert-pdf-to-gr...
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  7. .NET 10 GroupDocs.Viewer GetBarcodeImage except...

    We’re encountering an issue when converting .doc/.docx files to PDF. Error System.TypeLoadException (HResult: 0x80131522) Message: Method ‘GetBarcodeImage’ in type ‘…’ from assembly ‘GroupDocs.Viewer, Version=25.12.0.…... Source: GroupDocs.Viewer Context The...these files contain private data, you can send them via mail...

    forum.groupdocs.com/t/net-10-groupdocs-viewer-g...
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  8. Working with fonts in GroupDocs.Viewer for .NET

    Learn how to get list of used fonts, specify or replace missing fonts, exclude fonts...formats usually store the font data embedded in the document file...implementations provide more data that are specific to the particular...

    blog.groupdocs.com/viewer/working-with-fonts/
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  9. Add Watermark to a Batch of Documents and Image...

    Watermarking is a popular technique to indicate that the content or Data inside a document is copyrighted. On the other hand, it is also used to place the company’s logo or some kind of label in the documents before they are shared within or outside the company. However, it is quite hard to apply the watermark to a bunch of documents one by one. It becomes harder if you have documents of various formats such as PDF, DOCX, PPTX, XLSX, EML, JPG, PNG, etc....indicate that the content or data inside a document is copyrighted...Download the complete ready-to-run source code from GitHub . Contact...

    blog.groupdocs.com/watermark/add-watermark-to-a...
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  10. Merge PowerPoint Presentations | GroupDocs

    This article demonstrates how to merge PowerPoint presentation files of PPT, PPTX, ODP and may other formats with couple java code lines and GroupDocs.Merger for Java....to accommodate presentation data such as: slides, shapes, text...instance of class and pass source PPSX file path as a constructor...

    docs.groupdocs.com/merger/java/merge/powerpoint/
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