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  1. Digital signing with custom hash | GroupDocs

    This article explains how to apply digital signatures with custom hash algorithms using GroupDocs.Signature API....Watermark Product Solution GroupDocs..."sample.pdf" ; string sampleOutputFilePath = "signed.pdf" ; using...

    docs.groupdocs.com/signature/net/digital-signin...
  2. Clean metadata | GroupDocs

    Sometimes you may need to just remove all or clean metadata properties without applying any filters. The best way to do this is to use the Sanitize method....Watermark Product Solution GroupDocs...metadata . Metadata ( "input.pdf" ); // Remove detected metadata...

    docs.groupdocs.com/metadata/nodejs-java/clean-m...
  3. Comments and replies | GroupDocs

    Attach a threaded discussion of replies and users to an annotation with GroupDocs.Annotation for Python via .NET....Watermark Product Solution GroupDocs...(): with Annotator ( "./sample.pdf" ) as annotator : area = AreaAnnotation...

    docs.groupdocs.com/annotation/python-net/commen...
  4. Add document to Spreadsheet via OLE | GroupDocs

    This article explains how to add document to Spreadsheet via OLE with GroupDocs.Merger within your .Java applications....Watermark Product Solution GroupDocs...spreadsheet. For example, the PDF document can be inserted in the...

    docs.groupdocs.com/merger/java/add-document-to-...
  5. Verify Digital signatures in the document | Gro...

    This topic explains how to verify digital electronic signatures with GroupDocs.Signature API....Watermark Product Solution GroupDocs...signature = new Signature ( "sample.pdf" ); DigitalVerifyOptions options...

    docs.groupdocs.com/signature/java/verify-digita...
  6. Extract data from ZIP archives | GroupDocs

    Learn how to extract data from ZIP archives using GroupDocs.Parser for Python via .NET. Extract files, iterate through archive contents, and parse nested archives....Watermark Product Solution GroupDocs...extensions to extract (e.g., ['.pdf', '.docx']) """ os . makedirs...

    docs.groupdocs.com/parser/python-net/extract-da...
  7. Load Note document with options | GroupDocs

    Learn this article and check how to load and convert Microsoft OneNote documents with advanced options using GroupDocs.Conversion for .NET API....Watermark Product Solution GroupDocs...converting from Note into to PDF document: Func < LoadContext...

    docs.groupdocs.com/conversion/net/load-note-doc...
  8. Troubleshooting | GroupDocs

    This section contains issues that you may face and solutions for them when processing files with GroupDocs.Viewer....Watermark Product Solution GroupDocs...the document to PNG, JPG, and PDF. Please refer to the following...

    docs.groupdocs.com/viewer/java/troubleshooting/
  9. How to Extract Text from HTML in Java

    This article describes a step-by-step procedure to extract text from HTML in Java and how to use these steps for developing the Java get Text from HTML application....Watermark Product Family GroupDocs.Merger...formats such as DOCX, XLSX, PPTX, PDF, EML, MSG, and many more. We...

    kb.groupdocs.com/parser/java/how-to-extract-tex...
  10. How to Extract Images from PowerPoint in C#

    This article provides stepwise instructions to extract images from PowerPoint in C# and a sample working code on how to get images from PowerPoint using C#....Watermark Product Family GroupDocs.Merger...other document formats such as PDF, DOC, DOCX, XLSX, and many more...

    kb.groupdocs.com/parser/net/how-to-extract-imag...