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  1. Render text documents as HTML, PDF, and image f...

    This topic describes how to use the GroupDocs.Viewer .NET API (C#) to convert text files to HTML, PDF, PNG, and JPEG formats....IO ; using GroupDocs.Viewer ; using...viewOptions ); } VB.NET Imports System.IO Imports GroupDocs.Viewer Imports...

    docs.groupdocs.com/viewer/net/render-text-files/
  2. How to generate QR Code and sign document using...

    This guide describes how to improve your document with generated QR code using Python. Sign your documents with a QR Code and various standard QR code elements like Event QR Code, contact QR Code as VCard or MeCard, SEPA payment QR Code using GroupDocs.Signature Python API by GroupDocs....signature as signature from io import BytesIO import groupdocs...

    docs.groupdocs.com/signature/python-net/how-to-...
  3. Cerca la firma dell'immagine in C# in Word, Exc...

    Cerca codici a barre, codici QR, firme digitali o elettroniche con contenuto di dati immagine da qualsiasi documento (DOC, XLS, PPT, PDF) in C# utilizzando l'API di firma .NET....IO.Path.Combine(outputPath, $"i...

    blog.groupdocs.com/it/signature/search-image-si...
  4. Delete indexed documents | GroupDocs

    GroupDocs.Search for Node.js has the ability to remove individual documents from the index that are indexed from a stream or structure....io.ByteArrayInputStream' , buf );...

    docs.groupdocs.com/search/nodejs-java/delete-in...
  5. Buscar firma de imagen en C# en Word, Excel, Po...

    Busque códigos de barras, códigos QR, firmas digitales o electrónicas con contenido de datos de imagen de cualquier documento (DOC, XLS, PPT, PDF) en C# utilizando la API de firma .NET....IO.Path.Combine(outputPath, $"i...

    blog.groupdocs.com/es/signature/search-image-si...
  6. Working with resources | GroupDocs

    This article demonstrates and explains different operations with resources, including retrieving, adjusting and saving them in different scenarIos when editing documents with GroupDocs.Editor for .NET.... IO . File . WriteAllText ( "c://output/document...

    docs.groupdocs.com/editor/net/working-with-reso...
  7. 在 Word、Excel、PowerPoint、PDF 中使用 C# 搜索图像签名

    使用 .NET Signature API 从 C# 中的任何文档(DOC、XLS、PPT、PDF) 中搜索条形码、二维码、数字或电子签名以及图像数据内容。...IO.Path.Combine(outputPath, $"i...

    blog.groupdocs.com/zh/signature/search-image-si...
  8. Rechercher une signature d'image en C# dans Wor...

    Recherchez des codes-barres, des codes QR, des signatures numériques ou électroniques avec du contenu de données d'image à partir de n'importe quel document (DOC, XLS, PPT, PDF) en C# à l'aide de l'API de signature .NET....IO.Path.Combine(outputPath, $"i...

    blog.groupdocs.com/fr/signature/search-image-si...
  9. OCR support | GroupDocs

    OCR support means the ability to connect an external module (library) for the recognition of printed text (optical character recognition, OCR) on images, either separate or embedded in documents. To connect OCR, you need to implement the IOcrConnector interface in the client code. The following example demonstrates how to implement the OCR connector using com.aspose.ocr library for text recognition in images. String indexFolder = "c:\\MyIndex"; String documentFolder = "c:\\MyDocuments"; // Creating an index Index index = new Index(indexFolder); // Setting the OCR indexing options IndexingOptions options = new IndexingOptions(); options.... io . IOException ex ) { throw new...

    docs.groupdocs.com/search/java/ocr-support/
  10. 使用 C# 从数据库文件中提取数据

    数据库 被认为是大多数应用程序的组成部分。无论是桌面、Web 还是移动应用程序,数据库在存储、访问和操作数据方面都发挥着至关重要的作用。有许多数据库管理系统允许为您创建和管理数据库。 然而,当您需要一种从数据库文件(即 .db 文件) 中提取数据的方法时,可能会出现这样的情况,而无需安装数据库管理系统或编写 SQL 查询。在这种情况下,您将如何解析数据库文件并从中获取数据? 在本文中,我将演示如何轻松地从 SQLite 数据库中的表中提取数据,而无需编写 SQL 查询。我将使用 GroupDocs.Parser for .NET API,它支持通过 [ADO.NET](https://en.wikipedia. org/wiki/ADO.NET) 。 从 SQLite 数据库 (.db) 中的表中提取数据的步骤 1. 在 Visual Studio 中创建一个新项目。 2. 从 NuGet 安装 GroupDocs.Parser for .NET。 3. 添加以下命名空间。 using System; using System.Collections.Generic; using System.IO; using GroupDocs.Parser.Data; using GroupDocs.Parser.Options; 4. 准备连接字符串。 string connectionString = string.Format("Provider=System.Data.Sqlite;Data Source={0};Version=3;", "sqlite.db"); 5. 在 Parser 对象中加载数据库文件。 using (Parser parser = new Parser(connectionString, new LoadOptions(FileFormat.Database))) { // 你的代码在这里 } 6....IO; using GroupDocs.Parser.Data;...

    blog.groupdocs.com/zh/parser/extract-data-from-...