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 FileType property to obtain file format information AdvancedUsage.ManagingMetadataForSpecificFormats.Document.Pdf.PdfReadFileFormatProperties
using (Metadata metadata = new Metadata(Constants.InputPdf)) { var root = metadata.GetRootPackage<PdfRootPackage>(); Console.WriteLine(root.FileType.FileFormat); Console.WriteLine(root.FileType.Version); Console.WriteLine(root.FileType.MimeType); Console.WriteLine(root.FileType.Extension); } Reading built-in metadata properties To access built-in metadata of a Pdf document, please use the DocumentProperties property defined in the DocumentRootPackage class....Conversion Product Solution GroupDocs...metadata in PDF documents Working with metadata in PDF documents...
Convert archive files (ZIP, RAR, etc.) to HTML, Pdf, PNG, or JPEG using GroupDocs.Viewer for Python....Conversion Product Solution GroupDocs...files Render archives as HTML, PDF, and image files Leave feedback...
Dear GroupDocs Support Team,
I would like to ask whether support for the Pdf/A-4 format is currently planned or perhaps already in development?
Since the format has been officially available for some time now, we would…...Support for PDF/A-4 GroupDocs.Conversion Product Family pdf , dotnet...ask whether support for the PDF/A-4 format is currently planned...
Optimize spreadsheets in Pdfs. Reduces file size by enabling border lines and removing specific characters....Conversion Product Solution GroupDocs...documents / Render to PDF / Optimize the output PDF file / Optimize...
Step‑by‑step guide to extracting Pdf annotations in .NET using GroupDocs.Parser, with per‑page extraction, combined text output, and export options....Conversion Product Solution GroupDocs...Annotations from PDF Documents Extract Annotations from PDF Documents...
This article explains how to add attachment to Pdf document with GroupDocs.Merger within your Java applications....Conversion Product Solution GroupDocs...attachment to PDF document How to add attachment to PDF document Leave...
This topic describes how to use the GroupDocs.Viewer Node.js API to convert Lotus Notes database files (NSF) to HTML, Pdf, PNG, and JPEG formats....Conversion Product Solution GroupDocs...Notes database files as HTML, PDF, and image files Leave feedback...
id: sign-Pdf-documents-with-digital-signature-appearance url: signature/net/sign-Pdf-documents-with-digital-signature-appearance title: Sign Pdf documents with custom digital signature appearance weight: 4 description: " This article explains how to customize Pdf digital electronic signature on document page." keywords: productName: GroupDocs.Signature for .NET toc: True hideChildren: False GroupDocs.Signature contains classes that implements for Pdf document special signature appearances.
Base signature options SignOptions contains property SignOptions.Appearance that could be assigned with the instance of following class
PdfDigitalSignatureAppearance class implements properties to customize digital signature appearance....Conversion Product Solution GroupDocs...Signature Appearances / Sign Pdf Documents With Digital Signature...
This topic describes how to use the GroupDocs.Viewer .NET API (C#) to convert email messages to HTML, Pdf, PNG, and JPEG formats....Conversion Product Solution GroupDocs...Render email messages as HTML, PDF, PNG, and JPEG files Leave feedback...
This article explains how to add password for Pdf document with permissions using GroupDocs.Merger for .NET....Conversion Product Solution GroupDocs...password to PDF with permissions Add password to PDF with permissions...