Released: Dec 10, 2025

Updates in 2025 v2

Features

General updates in 2025 v2

• Added .NET 10 and Visual Studio 2026 support to:
  • WinForms.
  • WPF.
  • ASP.NET Core.
  • Blazor.
  • WinUI.
  • .NET MAUI.

Updates in WinForms 2025 v2

• New FlexDiagram (Beta): WinForms Diagram Library
  • FlexDiagram is a powerful .NET control that transforms flat or hierarchical data into visually rich and interactive diagrams:
    • Create Quick Diagrams in C# - create data-bound or unbound diagrams with minimal code.
    • Highly Customizable Graphics - configure every aspect of the diagram...

Released: Sep 23, 2025

Updates in 2025 v1.2

Features

New in WinForms

• New FlexGrid Gemini AI Filtering Sample
  • In the new Gemini AI Filtering sample, it uses the AI service to generate a filter definition that can be applied to FlexGrid.
  • There are pros and cons to each approach. The new approach is lighter and does not give Gemini access to the data itself. The downside is that the types of filters that can be created may be limited to what can be represented in a standard filter definition string.
• Create Custom Context Menus in FlexGrid...

Released: Jun 3, 2025

Updates in 2025 v1

Features

New in WinForms 2025 v1

• FlexGrid for WinForms Enhancements
  • New Column Filter UI - Redesigned built-in column filters with a modern, intuitive tabbed UI that separates value filters from conditional filters. Plus, added new distinct, null and non-null filtering options.
    • The new UI changes are nearly 100% backward compatible with full theming support. If you've customized the previous UI, you will need to update your code.
      • ConditionFilter.Condition1 and Condition2 should be replaced with...

Released: Dec 4, 2024

Updates in 2024 v2

Features

.NET 9 Support.

• .NET apps will have even more modular flexibility and improved performance.
• As with previous versions of .NET, there are often sweeping changes and issues across the entire .NET stack. The MESCIUS team has been diligently working with every .NET 9 preview this past year to address these changes before they reach users. This includes changes to the drag-and-drop cursor, clipboard, and binary serialization in several of their libraries.
• Please note that, like .NET...

Released: Jun 5, 2024

Updates in 2024 v1

Features

New in WinForms 2024 v1

• Microsoft Office 365 Themes for WinForms (Beta)
  • Designed a new, updated look for the Windows Forms controls based on the Microsoft 365 applications. These themes are similar to previous Office themes but with a bit more spacing, rounded corners, and more. This is the first public release of the Microsoft Office 365 Themes with support for FlexGrid, FlexChart, Ribbon, Accordion, and Input, as well as partial support for other controls.
  • There are several Office...

Released: Dec 6, 2023

Updates in 2023 v3

Features

All ComponentOne Editions

• Added support for Microsoft .NET 8.

New in WinForms 2023 v3

• New WinForms Editor for .NET 6 and .NET 8
  • The rich text editor, C1Editor, has recently been rewritten for .NET 6, and the new versions for .NET 6 and 8 now include improved image editing, a new GetInnerHTML method, PDF export, and a SelectedTextChanged event.
  • The rich text editor for WinForms manages rich text as HTML, so it has many use cases, such as editing raw HTML for a database record, syntax...

Released: Aug 2, 2023

Updates in 2023 v2

Features

• Adds new WinUI and MAUI bundle.
• Expands WinUI controls with FlexChart, DataFilter, and more.
• Enhances WinForms FlexChart design-time.
• Adds FlexGrid enhancements for WinForms, WPF, and Blazor.
• Adds Microsoft Azure Support for FlexReport.
• Adds .NET Standard-based version of C1Pdf.

Released: Mar 29, 2023

Updates in 2023 v1

Features

New in WinForms 2023 v1

• FlexGrid Search Supports All Occurrences - When users search FlexGrid using the Search Panel, FlexGrid now highlights all occurrences of the search text in a cell. This is also helpful in cases where a pattern of text is being searched.
• FlexGrid Save Layout Enhancements - FlexGrid now supports saving and loading layouts at design and runtime. This allows you to more easily persist column layouts between runs of the application without having to save the data...

Released: Dec 7, 2022

Updates in 2022 v3

Features

• Added Microsoft .NET 7 support.
• FlexGrid for .NET MAUI Preview - You can now use the same .NET datagrid that you've used before except it has been developed natively for MAUI, so you don’t have to learn multiple mobile development platforms.

New in WinForms 2022 v3

• Enhanced Designers for .NET 6+ controls - Improved the design-time editors and designers for the .NET 6+ controls to give you a rich experience while designing your application. For example, FlexGrid now has the complete and...

Released: Aug 3, 2022

Updates in 2022 v2

Features

WinForms

• Microsoft .NET 6 Accordion (beta), List and Sizer Controls - The Accordion control is a compact interface to help expand and collapse a specific view from a stacked list of views. You can style the panes or customize the header for a modern look and feel. This control fills the gap created by .NET 4.5.2 NavBar and OutBar controls which were not ported to .NET 6. C1List, C1 Combo, C1Sizer, and C1SizerLight controls have also been migrated to .NET 6.
• .NET Framework 4.8 Controls...