ActiveX Support Guide
Follows Microsoft "It Just Works" compatibility for ActiveX controls on Windows 7, 8, 10, 11, Window Servers 2008, 2012, 2016, 2019.
Due to changes in the Windows operating system and Microsoft's end of support, we can no longer fully support and provide maintenance builds of ActiveX controls.
You can download and license the latest version of ActiveX Edition from the C1ControlPanel application.
You can request a free meeting with a product manager to discuss support and migration options.
ComponentOne for ActiveX Key Features

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ComponentOne 2025 v2.2
New features

WinForms
- [Core] Fixed C++/CLI metadata definition and Designer licensing issues.
- [FlexGrid] Resolved cell position errors during data source changes and improved grid creation performance.
- [Calendar/GanttView] Fixed C1DateEdit scroll interference and corrected time scale label displays in GanttView.
WPF
- [FlexGrid] Fixed cell displacement during Korean text filtering and resolved group toggle selection errors.
- [Docking] Optimized DockTabControl default properties and fixed panel expansion logic.
- [ExpressionEditor] Enhanced UI Automation support for ErrorBox to improve accessibility.
Blazor
- [DataFilter] Improved performance by optimizing initial SVG icon rendering.
- [Gauge/Menu] Resolved rendering freezes in Gauges and fixed Menu separator display bugs.
- [TreeView] Fixed Drop target functionality when the tree contains no items.
ASP.NET MVC
- [Licensing] Unified product naming to "ComponentOne" and updated the multi-project licensing system.
- [ProjectTemplates] Updated .NET project templates and Scaffolder for improved package targeting.
ComponentOne for ActiveX Free Trial
ComponentOne for ActiveX Pricing and Licensing
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