Detecting the version of a PDF document The following sample of code will help you to detect the PDF version a loaded document and extract some additional file format information.
Load a PDF document Extract the root metadata package Use the getPdfType method to obtain file format information advanced_usage.managing_metadata_for_specific_formats.document.pdf.PdfReadFileFormatProperties
try (Metadata metadata = new Metadata(Constants.InputPdf)) { PdfRootPackage root = metadata.getRootPackageGeneric(); System.out.println(root.getPdfType().getFileFormat()); System.out.println(root.getPdfType().getVersion()); System.out.println(root.getPdfType().getMimeType()); System.out.println(root.getPdfType().getExtension()); } Reading built-in metadata properties To access built-in metadata of a PDF document, please use the getDocumentProperties method defined in the DocumentRootPackage class....to obtain information about digital signatures associated with...
Discover how to utilize GroupDocs.Metadata for Python via .NET to extract, update and remove metadata in your applications....information about hidden pages, digital signatures, user comments,...
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Learn how to add secure watermarks to Word documents using GroupDocs.Watermark for .NET. Compare 5 protection methods with code examples, including locked headers, tiled watermarks, and password-protected sections that can't be easily removed....that establish authenticity Digital signatures that can be verified...
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