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  1. Implement custom serialization with QR-code sig...

    This article explains how to implement custom serialization for QR-code electronic signatures....pdf" ); // create custom data encryption...sign ( "QRCodeCustomSerializ.pdf" , options ); // analyzing result...

    docs.groupdocs.com/signature/java/implement-cus...
  2. Getting Document Information | Documentation

    This article explains how to detect the document file type and calculate the number of pages when converting a file with GroupDocs.Conversion for Java....document information: PDF Documents For PDFs, additional information...Converter ( "sample-with-toc.pdf" )) { PdfDocumentInfo pdfInfo...

    docs.groupdocs.com/conversion/java/get-document...
  3. Search for embedded object with custom encrypti...

    This article explains how to search for embedded electronic signatures with custom encryption in document metadata. This topic contains example of custom encryption, class definition and search for encrypted objects in the document metadata with GroupDocs.Signature.... To sign PDF, Word, Excel, PowerPoint, and...prompt, please hold on... An error occurred while retrieving the...

    docs.groupdocs.com/signature/net/search-for-emb...
  4. Date range search | Documentation

    This article gives the knowledge that how to search by date with date range search using Java search API....welcome to search over your PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...prompt, please hold on... An error occurred while retrieving the...

    docs.groupdocs.com/search/java/date-range-search/
  5. Search operation table | Documentation

    This article shows that how to provides syntax of all elements allowed in text search queries....welcome to search over your PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...prompt, please hold on... An error occurred while retrieving the...

    docs.groupdocs.com/search/java/search-operation...
  6. Working with metadata in Matroska (MKV) files |...

    Reading matroska format-specific properties The GroupDocs.Metadata API supports extracting format-specific information from MKV files. The following are the steps to read native MKV metadata. Load an MKV video Get the root metadata package Extract the native metadata package using MatroskaRootPackage.MatroskaPackage Read the Matroska metadata properties on different levels of the format structure AdvancedUsage.ManagingMetadataForSpecificFormats.Video.Matroska.MatroskaReadNativeMetadataProperties using (Metadata metadata = new Metadata(Constants.InputMkv)) { var root = metadata.GetRootPackage(); // Read the EBML header Console....to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...prompt, please hold on... An error occurred while retrieving the...

    docs.groupdocs.com/metadata/net/working-with-me...
  7. 在 ASP.NET Core MVC 中为 140 多种文件格式创建文档查看器

    在线文档查看器在越来越多地使用数字文档后变得流行起来,尤其是在内容管理系统中。这种流行背后的原因是您无需购买或安装专用软件程序即可查看各种文档格式。考虑到文档查看器的重要性,我想写一篇关于如何在 ASP.NET MVC 中创建通用文档查看器的文章。 我们将创建一个针对 .NET Core 框架。对于后端的文档呈现,我们将使用 GroupDocs.Viewer for .NET API - 一个强大的文档查看器 API它支持 140 多种文档类型,包括 Pdf、Word、Excel、PowerPoint、Visio、CAD、Outlook 和许多其他流行的格式。 为什么选择 .NET Core? .NET Core 是 Microsoft 对 .NET 生态系统的重要补充。它使开发跨平台应用程序成为可能,而无需开发人员进行任何额外的努力。这就是我选择 .NET Core 作为目标框架的原因。 在 ASP.NET Core 中创建文档查看器的步骤 1. 打开 Visual Studio 并启动一个新项目。 2. 从项目类型中选择 .NET Core,从模板中选择 ASP.NET Core Web Application。 3. 选择 Web Application (Model-View-Controller) 并点击 Ok 按钮。 4. 从 NuGet 安装 GroupDocs.Viewer。 5. 打开 Views/Home/Index.cshtml 文件并将其内容替换为以下内容: @{ ViewData["Title"] = "Home Page"; }