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
New features

.NET 10 & Visual Studio 2026 Support
- Safe migration is available with the 2025 v2 package.
- .NET 10 support includes WinForms, WPF, ASP.NET Core, Blazor, WinUI, and MAUI.
New FlexDiagram for WinForms (Beta)
- Visualize flat and hierarchical data with minimal code.
- Supports detailed customization of nodes, connectors, and flow directions, as well as loading MermaidJS syntax. Compatible with .NET Framework 4.6.2+ and supports .NET 10 Dark Mode.
WinForms FlexGrid Scrollbar Annotations
- Easily highlight important rows, display error indicators, and quickly locate key data points directly on the scrollbar for faster navigation.
WPF ExpressionEditor (.NET 10)
- Extends the existing WinForms-based Expression Editor to the .NET 10 WPF environment.
- Enables users to easily create and edit custom logical expressions and calculation formulas.
FlexChart 2D Contour Surface Charts for WPF, Blazor, WinUI, and MAUI
- Supports area and line contour plots with rich gradient color scales.
- Helps users intuitively analyze complex data patterns.
New FlexViewer for MAUI (Beta)
- View FlexReport, SSRS, and PDF documents directly within .NET MAUI applications.
ComponentOne for ActiveX Free Trial
ComponentOne for ActiveX Pricing and Licensing
ComponentOne Enterprise
Expand your development reach across all .NET platforms with ComponentOne Enterprise.




