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What's New in Essential Studio for WPF


What's New in Essential Studio for WPF

In 2024 Volume 1, WPF developers can enjoy preservation of accessibility tags during HTML-to-PDF conversion, the ability to serialize and deserialize annotations in the Image Editor, and signature fields and undo/redo functionality in PDF Viewer forms.


We no longer provide assemblies for .NET Framework 4.5, 4.5.1, and 4.6. We recommend using .NET Framework 4.6.2 or later.


Corner radius

This feature allows users to set the corner radius for the Button control, allowing them to tailor the appearance of buttons to fit various design aesthetics.

Custom Corner Radius in Button

Docking Manager

New button clicked event

This feature introduces an event in the Docking Manager to notify users when the new button in the DocumentTabHeader is clicked.


Header style for tabs

This feature introduces three new configurable visual styles for the tab header, allowing users to choose their preferred appearance.

WPF TabControlExt with TabHaederStyle

Image Editor


This feature allows users to serialize and deserialize annotations and their settings.

Serialization and Deserialization


Theme support for forms and dialogs

This feature adds built-in theme support for the following forms and dialogs in Spreadsheet:

  • DateOccurringCondition window
  • UnHideSheet window
  • GroupUngroup window
  • OutlineSettings window
  • NewNameRange window
  • DefaultColumnWidth window
  • FileEncrypt window
  • FormatAsTable window
  • InsertHyperlink window
  • Password window
  • ConditionalFormat window
  • NameManager window
  • BetweenNotBetween window
  • FormatHeightAndWidth window

Insert rows or columns after cut or copy

Spreadsheet now allows you to insert rows, columns, or cells after performing cut or copy operations.

PDF Viewer

Signature form field

The WPF PdfViewer now supports signature form fields, enabling users to effortlessly display or delete existing signatures while also seamlessly adding new signatures within the document. Signature form fields in PDFs enable users to sign documents digitally from anywhere, improving efficiency and enhancing security. This capability is especially valuable in today’s digital age, where remote work and digital collaboration are increasingly common.

Signature Field Support in WPF PdfViewer

Undo redo support for form fields

Users can now utilize the undo and redo functionalities to revert or reinstate changes made to form field elements in the PDF document. The undo/redo support enhances user productivity and accuracy by providing the ability to easily correct mistakes and revert changes during the process of completing PDF forms.

Form Field Undo Redo Support in WPF PdfViewer

Rendering stamps with appearance stream

In the WPF PdfViewer, users can now easily view custom stamps in appearance streams. By using custom stamps with user’s name and job title, the user can quickly authenticate his actions and provide a clear audit trail for compliance purposes. This feature streamlines the document review process, reduces administrative overhead, and ensures timely decision-making in the marketing agency’s operations.

Rendering Stamps With Custom Appearance in WPF PdfViewer

PDF Library

Remote GoTo action in PDF

This feature allows users to add or modify remote actions that navigate to an external PDF document. Users can easily add links to a specific page or location of another PDF document.

Remote GoTo action

Digital signature enhancement

Users can effortlessly add signature and timestamp certificates to the PDF Document Security Store (DSS), ensuring greater security and compliance with PDF standards.

HTML to PDF enhancements

  • Upgraded the BlinkBinaries to the latest version 120.0.6099.110, to address vulnerabilities and ensure a secure conversion process.
  • Added the timeout option for the HTML to PDF conversion process. Users can convert HTML to PDF seamlessly, by ensuring timely completion with the new timeout option.
  • Added an option to preserve accessibility tags that are in the input HTML while converting HTML to PDF.

PowerPoint Library

Crop an image in a PowerPoint presentation

The PowerPoint Library now includes APIs for cropping images within existing PowerPoint presentations or when creating new presentations from scratch, mirroring the picture crop options in Microsoft PowerPoint.

With this feature, when the presentation contains cropped images, users have the ability to save them as they are, preserving the cropped regions instead of the original pictures.

Crop an image in WPF

Presentation merge enhancements

The PowerPoint Library now compares master and layout slides to prevent the addition of duplicate master slides and to ensure the reuse of existing master slides when merging slides from another presentation.

Word Library

Update Table of Contents (TOC)

The Word Library now supports the inclusion of \c and \a switches when updating the table of contents (TOC) in a Word document. The purposes of these switches are:

  • \c: Includes captions of figures, tables, charts, and other items that are numbered by SEQ fields in TOC entries.
  • \a: Builds a table of captions by excluding caption labels and numbers.

With this feature, you can create a table of figures, tables, charts, and more, giving readers a clear overview of the document’s contents and facilitating easier navigation.

Update Table of Contents in WPF

Word-to-PDF and image conversion enhancements

Now, headers and footers that exceed half of the page in a Word document are preserved during Word to PDF or image conversion.

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