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  1. Texts in PDF are not visible during PNG view pr...

    When I want to prepare PNG renditions of attached PDF documents with the Viewer, the text on the document is not displayed in the resulting PNG. This only happens with one of our customers. I have not encountered such a …...is not visible in the output images. This problem appears to be...will render the text as an image, which can help maintain the...

    forum.groupdocs.com/t/texts-in-pdf-are-not-visi...
  2. 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....PPT, PPTX, XLS, XLSX, emails, images and more with our free online...

    docs.groupdocs.com/metadata/net/working-with-me...
  3. Generate document pages preview | GroupDocs

    This topic explains how to get document pages preview as Images with various options by GroupDocs.Signature API....creation (see event handler ); image preview format - PNG / JPG /...process; custom size of preview images (if needed). Note Stream that...

    docs.groupdocs.com/signature/net/generate-docum...
  4. eSign Document with Image Signature | GroupDocs

    This article demonstrates how to add signature image on document page with GroupDocs.Signature for Python via .NET....Types / ✍️ Image Signature eSign Document with Image Signature...this page What is an Image Signature? An image as a signature is...

    docs.groupdocs.com/signature/python-net/esign-d...
  5. GroupDocs Blog

    GroupDocs Blog - GroupDocs Blog | Document Automation Solutions for .NET & Java Developers...list to annotate documents and image. The latest GroupDocs.Annotation...of documents into HTML and images. It allows you to convert pages...

    blog.groupdocs.com/groupdocs.blog/page/79/
  6. GroupDocs Blog

    GroupDocs Blog - GroupDocs Blog | Document Automation Solutions for .NET & Java Developers...but you can also extract the images and metadata properties from...

    blog.groupdocs.com/groupdocs.blog/page/37/
  7. Convert Excel Spreadsheets to PDF in Java | Exc...

    Convert Excel files to PDF in Java. Convert compelete workbook, selected or successive sheets or any cell range using spreadsheet conversion Java API....documents, presentations, eBooks, images, etc that are mentioned in...

    blog.groupdocs.com/conversion/convert-excel-spr...
  8. Annotate Word DOC DOCX files in Java | Add or R...

    Add or remove annotations from Word DOC/DOCX files in Java. Add arrow, rectangle, ellipse, watermark annotations using document Annotation API....spreadsheets, presentations, images, PDF files, webpages, email...

    blog.groupdocs.com/annotation/annotate-word-doc...
  9. How to Run Examples | GroupDocs

    Examples to annotate on your documents, Images or web pages using C#....all the sample documents and images used in the examples. To run...this . Run from Docker Use the image to try GroupDocs.Annotation...

    docs.groupdocs.com/annotation/net/how-to-run-ex...
  10. 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"; }