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watermarking pdf

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  1. Digital signing with custom hash | Documentation

    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...
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  2. How to search for QR code signatures | Document...

    This article explains how to search for QR-code electronic signatures with GroupDocs.Signature API....Watermark Product Solution GroupDocs...signature = new Signature ( "sample.pdf" )) { // search for signatures...

    docs.groupdocs.com/signature/net/search-for-qr-...
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  3. Advanced search for Form Field signatures | Doc...

     This article explains how to provide advanced search for Form Field electronic signatures with GroupDocs.Signature API....Watermark Product Solution GroupDocs...signature = new Signature ( "signed.pdf" )) { FormFieldSearchOptio options...

    docs.groupdocs.com/signature/net/advanced-searc...
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  4. Verify Text signatures in the document | Docume...

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

    docs.groupdocs.com/signature/java/verify-text-s...
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  5. GroupDocs.Comparison Product Family | Documenta...

    GroupDocs.Comparison is a cross-platform library that allows you to compare Microsoft Word, Excel, PowerPoint, OpenDocument, Pdf, and plain text documents using C# and Java. Documentation GroupDocs.Comparison for .NET Getting Started Start quickly with our getting started documentation Features Overview Supported Document Formats System Requirements Installation Developer Guide Guidelines and articles for basic and advanced development Basic Usage Advanced Usage More GroupDocs.Comparison for Java Getting Started Start quickly with our getting started documentation...Watermark Product Solution GroupDocs...Excel, PowerPoint, OpenDocument, PDF, and plain text documents using...

    docs.groupdocs.com/comparison/
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  6. Handling password required exception | Document...

    This article shows how to handle missing document password exception with GroupDocs.Signature API....Watermark Product Solution GroupDocs...new Signature ( "protectedPwd.pdf" ); try { QrCodeSignOptions options...

    docs.groupdocs.com/signature/java/handling-pass...
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  7. Handling password required exception | Document...

    This article shows how to handle missing document password exception with GroupDocs.Signature API....Watermark Product Solution GroupDocs...new Signature ( "protectedPwd.pdf" )) { try { QrCodeSignOptions...

    docs.groupdocs.com/signature/net/handling-passw...
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  8. .NET Standard 2.0 API Limitations | Documentation

    This section describes GroupDocs.Signature for .NET limitations when using under .NET Standard 2.0 environment...Watermark Product Solution GroupDocs...the document to PNG, JPG, and PDF. If GroupDocs.Signature for ...

    docs.groupdocs.com/signature/net/net-standard-2...
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  9. HTML | Documentation

    This article explains that how to extract HTML formatted text from document page in Java....Watermark Product Solution GroupDocs...welcome to extract data from PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/parser/java/html/
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  10. Working with metadata in GIF images | Documenta...

    Detecting the GIF version The following sample of code will help you to detect the version of a loaded GIF image and extract some additional file format information. Load a GIF image Extract the root metadata package Use the FileType property to obtain file format information AdvancedUsage.ManagingMetadataForSpecificFormats.Image.Gif.GifReadFileFormatProperties using (Metadata metadata = new Metadata(Constants.InputGif)) { var root = metadata.GetRootPackage(); Console.WriteLine(root.FileType.FileFormat); Console.WriteLine(root.FileType.Version); Console.WriteLine(root.FileType.ByteOrder); Console.WriteLine(root.FileType.MimeType); Console.WriteLine(root.FileType.Extension); Console.WriteLine(root.FileType.Width); Console.WriteLine(root.FileType.Height); } Working with XMP Metadata GroupDocs....Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/metadata/net/working-with-me...
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