PDF 新聞

編輯 PDF 中繼資料以更好控制文件

12月 1, 2025
支援中繼資料編輯功能的 ASP.NET Core PDF Viewers 改進了文件搜索、分類和生命週期管理。

Managing Metadata in the context of PDF Viewer components for ASP.NET Core, refers to the ability to view, edit, and update the descriptive information embedded within a PDF file. This metadata typically includes details such as the document's title, author, subject, keywords, creation and modification dates, and application used to create the file. Managing metadata allows developers and end users to keep document properties accurate and relevant, which can be important for document indexing, searching, and compliance with organizational standards. This feature is especially useful in document management systems where accurate metadata supports efficient retrieval and categorization.

Several PDF Viewer ASP.NET Core components offer metadata management features including:

  • Document Solutions for PDF by MESCIUS allows metadata inspection and editing inside PDFs, enabling consistent document information for enterprise workflows.
  • ImageGear for .NET by Accusoft allows developers to read and update PDF document metadata programmatically, maintaining accurate embedded document info.
  • Syncfusion Essential Studio PDF Viewer SDK (part of Syncfusion Essential Studio Enterprise) enables management of PDF metadata alongside standard viewing and editing.

For an in-depth analysis of features and price, visit our comparison of ASP.NET Core PDF Viewer Components.

Compare ASP.NET Core PDF Viewer Components

在 Web 應用中將手寫筆記添加到 PDF

11月 26, 2025
帶有自由繪圖和墨蹟注釋的 ASP.NET Core PDF 控制項允許使用者將簽名、草稿和筆記直接添加到文件。

Freehand Draw, also known as Ink Annotation, in ASP.NET Core PDF Viewer controls allows users to add freeform, hand-drawn annotations directly onto PDF documents. This feature mimics natural handwriting or sketching by enabling input through mouse, touch, or stylus, making it especially useful for scenarios requiring personal notes, signatures, or diagrammatic feedback. The annotations are embedded as part of the PDF, ensuring they remain accessible and visible across different platforms and viewers. It is commonly used in applications where document review or digital signing is required, enhancing interactivity and collaboration within PDF-based processes.

Several ASP.NET Core Assembly PDF Viewer components offer support for Freehand Draw/Ink Annotation including:

  • Document Solutions for PDF by MESCIUS allows you to draw free‑hand ink annotations that capture user‑stroke paths and embed them as editable vector markup within a PDF.
  • ImageGear .NET by Accusoft enables freehand and polyline annotation so developers can capture scribbles, arrows or curves and save them as PDF annotation objects.
  • Syncfusion ASP.NET Core PDF (part of Syncfusion Essential Studio Enterprise) supports ink annotation within its viewer, enabling users to draw and add signatures to PDFs.

For an in-depth analysis of features and price, visit our comparison of ASP.NET Core Assembly PDF Viewer Components.

Compare ASP.NET Core Assembly PDF Viewer Components

將 PDF 直接列印添加到 .NET 應用程式

11月 21, 2025
無需使用者互動即可自動將PDF 檔發送到印表機，非常適合後臺流程或企業報表系統。

Printing support in a PDF component enables applications to send PDF documents directly to a printer or print preview interface without requiring user intervention or external tools. This functionality is especially useful in enterprise or reporting systems where automated or on-demand printing of invoices, forms, or reports is needed. By handling layout, pagination, and resolution scaling internally, it ensures consistent output across different devices and operating systems. For developers, it simplifies integration into processes that require reliable hard copies, reducing the need for custom print handling code or third-party dependencies.

Several .NET PDF components include support for printing, including:

  • ComponentOne Studio WinForms PDF (part of ComponentOne Studio WinForms by MESCIUS) allows you to programmatically print PDF files from a .NET WinForms app.
  • LEADTOOLS PDF facilitates high-quality PDF printing with control over document rendering, enabling dependable output for enterprise workflows needing precision.
  • Aspose.PDF for .NET lets you generate, customize, and print PDF documents programmatically, ensuring precise layout control and reliable output.
  • IronPDF for .NET by Iron Software provides simple API calls to send PDFs to a specified physical printer, including silent printing and customizable print settings.

For an in-depth analysis of features and price, visit our comparison of .NET PDF components.

Compare .NET PDF Components

生成符合協助工具標準的 PDF

11月 14, 2025
TX Text Control .NET 34.0 添加對 PDF/UA 標準的支援，確保數位文件可訪問並符合全球法規。

TX Text Control .NET is a royalty-free, fully programmable document editor that empowers developers to add rich WYSIWYG word processing to desktop and web applications across various platforms. It provides everything from comprehensive text formatting and mail merge to PDF creation and processing, all through a robust API and intuitive user interface.

The TX Text Control .NET 34.0 Enterprise now supports the PDF/UA (Universal Accessibility) standard, enabling developers to generate PDF documents that comply with ISO 14289-1 accessibility guidelines. This update ensures that documents are properly structured and tagged for assistive technologies like screen readers, helping organizations meet legal and regulatory requirements for accessible digital content. With this enhancement, TX Text Control makes it easier to deliver inclusive, compliant PDFs across industries where accessibility is essential, such as government, healthcare, and education.

To see a full list of what's new in version 34.0, see our release notes.

TX Text Control .NET for Windows Forms and TX Text Control .NET for WPF are licensed per developer and are available as a Perpetual License with a 12 month support and maintenance subscription. See our TX Text Control .NET for Windows Forms licensing page or TX Text Control .NET for WPF licensing page for full details.

TX Text Control .NET is available to buy in the following products:

用密碼保護安全地共享 PDF 檔

11月 11, 2025
使用密碼保護保護敏感文件，以確保隱私、控制存取、滿足合規性並自信地共享文件。

PDF password protection is a security feature that lets users encrypt their PDF documents with a password, ensuring that only authorized individuals can open or modify them. This helps safeguard sensitive information such as financial reports, contracts, and client data from unauthorized access or misuse. Users can also control permissions by preventing printing, copying, or editing to maintain document integrity. The benefits include stronger data privacy, compliance with regulations like GDPR and HIPAA, and greater trust when sharing confidential files within or outside an organization. Common uses include securing legal agreements, financial statements, and proprietary business information.

Several .NET Core PDF components allow you to protect PDFs with passwords, including:

  • Aspose.PDF for .NET lets you apply robust password protection and encryption, ensuring PDF documents remain secure from unauthorized access and editing.
  • IronPDF for .NET by Iron Software allows you to lock PDFs with strong passwords, manage user permissions, and safeguard confidential content during file sharing.
  • PDF4NET by PDF4DEV Solutions enables developers to secure PDFs through password-based encryption, protecting sensitive data and controlling access to document features.
  • ExpertPDF Pdf Security by Outside Software facilitates PDF encryption and permission management, preventing unauthorized viewing, printing, or modification of documents.

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

Compare .NET Core PDF Controls