.NET 新闻

使用 C# 以编程方式从 PDF 中提取文本

5月 20, 2024
使用 MESCIUS Document Solutions for PDF 自动从 PDF 中提取文本，以便进行索引、搜索等。

Document Solutions for PDF (DsPdf) is a high-speed, feature-rich, server-side PDF API Library for .NET with no dependencies on Adobe Acrobat. DsPdf allows developers to programmatically create, manipulate, import/export, and deploy PDF documents, including AcroForms, across desktop and web applications at scale. With full .NET support, you can generate, load, modify, and convert PDFs directly within your .NET, Mono, Xamarin.iOS, and Xamarin.Android apps. It also includes a fast JavaScript-based client-side viewer/editor that allows users to view/optionally edit PDF documents in desktop/web applications.

In this blog post, MESCIUS Product Marketing Specialist Mackenzie Albitz demonstrates how to use DsPdf to unlock PDF content seamlessly by parsing and extracting text from PDFs for a variety of scenarios, including:

  • Extracting all text from a PDF file
  • Extracting text from a specific PDF page
  • Extracting text from predefined bounds in a PDF
  • Extracting fonts from a PDF 

Sample code is included and there's even a link to a Quick Start Demo and a complete sample application to assist you in getting started.

Read the full blog to learn how to unlock PDF content.

Document Solutions for PDF is licensed per developer and is available in several license options for differing distribution needs. Team licenses are also available for multiple developers within the same organization. See our Document Solutions for PDF licensing page for full details.

Learn more on our Document Solutions for PDF product page.

以卡片形式呈现视觉分组信息

5月 17, 2024
Actipro Avalonia UI Pro 24.1.0 添加一个新的卡片控件，该控件提供了一种显示分组的封面、缩略图、页眉和页脚部分的清晰方式。

Actipro Avalonia UI Pro is a suite of professionally designed UI controls, themes, and components specifically built for the Avalonia UI framework. It empowers developers to craft beautiful, modern cross-platform applications while leveraging their existing C# and WPF skills. Actipro offers a range of controls from essential navigation and data visualization components to advanced charting and scheduling features, all adhering to its signature high-quality design and seamless integration with Avalonia.

The Actipro Avalonia UI Pro 24.1.0 update introduces the Card control, designed to present information about a single subject in a visually grouped and actionable way. This control offers flexibility through optional cover, thumbnail, header, and footer sections, allowing developers to effectively organize content within the card. Additionally, cards can be made interactive, enabling users to directly engage with the presented information.

To see a full list of what's new in 24.1.0, see our release notes.

Actipro Avalonia UI Pro is licensed per developer and is available as a Perpetual license with 1 year support and maintenance. See our Actipro Avalonia UI Pro licensing page for full details.

Learn more on our Actipro Avalonia UI Pro product page.

帮助用户通过 PDF 搜索查找信息

5月 17, 2024
选择支持内置搜索的 PDF 组件，以增强可访问性、提高参与度并改善用户体验。

Incorporating a PDF component with search functionality into your application offers significant advantages. Users can locate specific information within complex documents with ease, streamlining their experience and enhancing productivity. This translates to a more user-friendly and efficient app, reducing frustration and allowing users to find what they need quickly, without the needing to install additional software.

Several WPF PDF Viewer controls allow you to search for text in PDF files including:

  • DevExpress WPF PDF Viewer enables in-application text search for PDFs, highlighting matches and navigating for efficient information retrieval.
  • Telerik UI PDF for WPF can effortlessly search PDFs for keywords and phrases, highlighting results for quick information retrieval.
  • PDFView4NET WPF Edition by O2 Solutions facilitates searching for text within PDF documents, offering both user-driven search bars and programmatic control for integration.
  • Syncfusion WPF PDF provides text search functionality including highlighting matches and programmatic search options.

For an in-depth analysis of features and price, visit our WPF PDF Viewer controls comparison.

Compare WPF PDF Viewer Controls

拼合 PDF 以实现无缝共享和打印

5月 17, 2024
Aspose.PDF for .NET 24.5 添加拼合分层 PDF 文件的功能，确保演示一致并防止意外修改。

Aspose.PDF for .NET empowers developers to seamlessly integrate PDF generation, manipulation, and conversion functionalities within their applications. It eliminates the dependency on Adobe Acrobat by providing a programmatic interface for working with PDF documents, allowing for tasks like creating PDFs from scratch, editing existing ones, adding elements like images and watermarks, and managing security features.

Aspose.PDF for .NET V24.5 adds the ability to flatten a layered PDF file, streamlining document sharing and archiving by converting editable layers into a static, unalterable format. This ensures consistent presentation and prevents unintended modifications.

To see a full list of what's new in V24.5, see our release notes.

Aspose.PDF for .NET is offered as Developer Small Business, Developer OEM, Site Small Business, and Site OEM licenses catering to a range of business needs. Licenses are perpetual, and include 1 year of support and maintenance. Subscription renewals are also available. See our Aspose.PDF for .NET licensing page for full details.

Aspose.PDF for .NET is available in the following products:

用 Kagi 图表跟踪重大价格走势

5月 16, 2024
通过让用户更清楚地了解市场趋势，将 Kagi 图表添加到您的 WinForms 应用程序可以辅助进行财务分析。

A Kagi chart is a type of financial chart used to track price movements, with a focus on significant trends and reversals rather than minor fluctuations, to inform stock purchasing decisions. It features a series of vertical lines that reflect changes in price. The direction of these lines shifts only when the price moves by a predetermined amount, known as the reversal amount. Thin lines indicate that the price has fallen below the previous low while thick lines indicate that the price has surpassed the previous high. By filtering out minor price fluctuations it emphasises substantial price movements, offering a clearer perspective on market trends.

Several WinForms chart components provide Kagi charts, including:

  • ComponentOne Charts for WinForms (part of ComponentOne Studio Enterprise by MESCIUS) enables developers to integrate Kagi charts to enhance financial analysis.
  • Nevron Chart for WinForms (part of Nevron Chart for .NET) offers comprehensive Kagi charting capabilities for in-depth financial market analysis within WinForms applications.
  • TeeChart WinForms (part of TeeChart for .NET Pro Edition by Steema Software) facilitates the creation of Kagi charts to analyze price movements and identify market shifts.
  • Syncfusion WinForms Chart (part of Syncfusion Essential Studio Enterprise) equips developers with tools for creating customizable Kagi charts for price movement insights.

For an in-depth analysis of features and price, visit our WinForms charts comparison.

Compare WinForms Chart Components