This article explains how to work with spreadsheet document attachments while using GroupDocs watermarking Java API...Assembly Product Solution GroupDocs...
Set up a virtual environment, install groupdocs-conversion-net, and run three minimal examples — DOCX → PDF, PDF → per-page PNG, and ZIP → consolidated PDF — in under five minutes....Assembly Product Solution GroupDocs...
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....Assembly Product Solution GroupDocs...
Learn how to compare Excel spreadsheets programmatically using GroupDocs.Comparison for .NET. Compare spreadsheets with custom styling, visibility controls, summary pages, and advanced comparison options....Assembly Product Solution GroupDocs...