UI for WinUI

Release History

UI for WinUI 2.4.0

January 18, 2023

What's New

  • RadCalculator and RadCalculatorPicker have a simple easy-to-use interface enabling the end user to perform all basic calculations such as addition, subtraction, multiplication, division as well as some more complicated ones – reciprocal, square root, negate. The operations can be executed either by clicking the calculator buttons, or by using your keyboard.


  • Upgraded WinUI for Desktop`s controls and demos to .NET 6.


  • Improve the look of the control in the pointer over and disabled states.


  • Introduced support for Encryption Algorithm 5 with AES-256.
  • Introduced Find API allowing the user to search for concrete text in a PDF document.
  • A specific scanned file is not displayed with the new model.
  • Some Image XObjects are imported but not displayed in PdfViewer.
  • A CryptographicException related to AES algorithm padding is thrown.
  • A NotImplementedException is thrown when editing and exporting text with CID font and CFF font source.
  • An InvalidOperationException is thrown when importing a PDF document and parsing a name start character followed by a dictionary end one.
  • Some documents are rendered as blank pages when a specific culture is set in .NET 5 (or later) project.
  • EndOfStreamException is thrown when importing a document containing an EI keyword not followed by а space or return.
  • Text is extracted with missing characters when there are glyphs mapped to two or more Unicode character values.


  • Relationship Id error when parsing an image with a hyperlink without ID.
  • Shared formulas do not work when there is no cell reference in the cell element.


  • A NotSupportedException is thrown when importing content in rich text.
  • When creating a SpreadPatternFill with SpreadPatternType 'Solid', PatternColor and BackgroundColor property values are swapped.


  • Introduced Table Of Contents - TOC field.
  • Introduced Table Of Authorities - TOA field.
  • An exception is thrown when converting HTML to PDF and the HTML contains an image with no source.
  • DocFormatProvider: KeyNotFoundException is thrown when importing *.doc file with .NET Core assemblies.
  • PageRefField is not successfully updated when there is more than one bookmark in the same empty paragraph.
  • DocxFormatProvider: An InvalidCastException 'Unable to cast object of type 'EffectContainerElement' to type 'EffectListElement' is thrown on import.
  • Importing HTML with base64 encoded image without extension causes a missing image when exported to PDF.
  • Header/footer is wronly exported when the document's first section is of type continuous.
  • DocxFormatProvider: FormatException is thrown when importing a document containing shapes with opacity set with a fractional value, like this 39151f.

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