# WSpell Supports TX Text Control ActiveX 12.0 > Wintertree Software released WSpell background spell checking support for TX Text Control ActiveX 12.0. The integration displays red zig-zag underlines beneath misspelled words as users type. Setup requires a specific registry key, and sample code is available on their site. - **Author:** Bjoern Meyer - **Published:** 2005-10-05 - **Modified:** 2026-03-05 - **Description:** Wintertree Software released WSpell background spell checking support for TX Text Control ActiveX 12.0. The integration displays red zig-zag underlines beneath misspelled words as users type. Setup requires a specific registry key, and sample code is available on their site. - **1 min read** (108 words) - **Tags:** - Release - Spell Checking - **Web URL:** https://www.textcontrol.com/blog/2005/10/05/wspell-supports-tx-text-control-activex-120/ - **LLMs URL:** https://www.textcontrol.com/blog/2005/10/05/wspell-supports-tx-text-control-activex-120/llms.txt - **LLMs-Full URL:** https://www.textcontrol.com/blog/2005/10/05/wspell-supports-tx-text-control-activex-120/llms-full.txt --- One of the most recommended spell checkers for TX Text Control ActiveX is WSpell from [Wintertree Software](http://www.wintertreesoftware.com/ "Wintertree Software Website"). Recently, they published a solution for the background-checking features with TX Text Control ActiveX 12.0. The background-checking enables developers to display a red zig-zag line as the user types under the misspelled word. It is neccessary to create a registry key in the WSpell registry path. The complete description can be found here: [http://wintertreesoftware.com/support/wspell/txtextcontrol.html](http://wintertreesoftware.com/support/wspell/txtextcontrol.html "WSpell") Additionally, this site contains sample code that describes how to use WSpell with TX Text Control ActiveX. --- ## About Bjoern Meyer As CEO, Bjoern is the visionary behind our strategic direction and business development, bridging the gap between our customers and engineering teams. His deep passion for coding and web technologies drives the creation of innovative products. If you're at a tech conference, be sure to stop by our booth - you'll most likely meet Bjoern in person. With an advanced graduate degree (Dipl. Inf.) in Computer Science, specializing in AI, from the University of Bremen, Bjoern brings significant expertise to his role. In his spare time, Bjoern enjoys running, paragliding, mountain biking, and playing the piano. - [LinkedIn](https://www.linkedin.com/in/bjoernmeyer/) - [X](https://x.com/txbjoern) - [GitHub](https://github.com/bjoerntx) --- ## Related Posts - [Service Pack 1 for TX Spell .NET 7.0 Released](https://www.textcontrol.com/blog/2019/05/28/service-pack-1-for-spell-7-released/llms.txt) - [TX Text Control X11 Sneak Peek: Language Detection](https://www.textcontrol.com/blog/2014/08/25/tx-text-control-x11-sneak-peek-language-detection/llms.txt) - [Sneak Peek TX Spell 5.0: Language Detection Engine](https://www.textcontrol.com/blog/2014/07/28/sneak-peek-tx-spell-50-language-detection-engine/llms.txt) - [TX Spell .NET ActiveX Package Goes CodePlex](https://www.textcontrol.com/blog/2012/11/21/tx-spell-net-activex-package-goes-codeplex/llms.txt) - [Converting 3rd-party User Dictionaries to TX Spell .NET](https://www.textcontrol.com/blog/2012/01/03/converting-3rd-party-user-dictionaries-to-tx-spell-net/llms.txt) - [TX Text Control RapidSpell .NET for Windows Forms 16.0 Released](https://www.textcontrol.com/blog/2011/02/08/tx-text-control-rapidspell-net-for-windows-forms-160-released/llms.txt) - [SP1 for TX Text Control RapidSpell .NET for Windows Forms 15.1 Released](https://www.textcontrol.com/blog/2010/03/03/sp1-for-tx-text-control-rapidspell-net-for-windows-forms-151-released/llms.txt) - [TX Text Control RapidSpell .NET for Windows Forms 15.1 Released](https://www.textcontrol.com/blog/2009/12/14/tx-text-control-rapidspell-net-for-windows-forms-151-released/llms.txt) - [SP2 for TX Text Control RapidSpell .NET for Windows Forms 15.0 Released](https://www.textcontrol.com/blog/2009/11/12/sp2-for-tx-text-control-rapidspell-net-for-windows-forms-150-released/llms.txt) - [Service Packs for TX Text Control RapidSpell .NET for Windows Forms 15.0 and 14.0 Released](https://www.textcontrol.com/blog/2009/07/08/service-packs-for-tx-text-control-rapidspell-net-for-windows-forms-150-and-140-released/llms.txt) - [Service Pack 1 for TX Text Control RapidSpell .NET for Windows Forms 14.0 Released](https://www.textcontrol.com/blog/2009/04/24/service-pack-1-for-tx-text-control-rapidspell-net-for-windows-forms-140-released/llms.txt) - [TX Text Control RapidSpell .NET for Windows Forms Released](https://www.textcontrol.com/blog/2009/03/11/tx-text-control-rapidspell-net-for-windows-forms-released/llms.txt) - [New Spell Version with TX Text Control 14.0 Support](https://www.textcontrol.com/blog/2008/02/21/new-spell-version-with-tx-text-control-140-support/llms.txt) - [Spell 3.7 Beta Including TX Text Control 13.0 Support](https://www.textcontrol.com/blog/2006/10/31/spell-37-beta-including-tx-text-control-130-support/llms.txt) - [Spell Integration with TX Text Control](https://www.textcontrol.com/blog/2005/11/24/spell-integration-with-tx-text-control/llms.txt) - [TX Spell .NET 11.0 SP1 is Now Available: What's New in the Latest Version](https://www.textcontrol.com/blog/2026/04/08/tx-spell-net-11-0-sp1-is-now-available/llms.txt) - [Announcing TX Text Control DS Server 5.0](https://www.textcontrol.com/blog/2026/03/12/announcing-tx-text-control-ds-server-5-0/llms.txt) - [TX Text Control 34.0 SP2 is Now Available: What's New in the Latest Version](https://www.textcontrol.com/blog/2026/02/18/tx-text-control-34-0-sp2-is-now-available/llms.txt) - [TX Text Control 34.0 SP1 is Now Available: What's New in the Latest Version](https://www.textcontrol.com/blog/2025/12/03/tx-text-control-34-0-sp1-is-now-available/llms.txt) - [Introducing TX Text Control 34.0: Your Next Leap in Document Processing](https://www.textcontrol.com/blog/2025/11/10/introducing-tx-text-control-34-0-your-next-leap-in-document-processing/llms.txt) - [PDF/UA vs. PDF/A-3a: Which Format Should You Use for Your Business Application?](https://www.textcontrol.com/blog/2025/10/24/pdf-ua-vs-pdf-a-3a-which-format-should-you-use-for-your-business-application/llms.txt) - [Validating PDF/UA Documents in .NET C#](https://www.textcontrol.com/blog/2025/10/21/validating-pdf-ua-documents-in-dotnet-csharp/llms.txt) - [Sneak Peek: TX Text Control 34.0 Coming November 2025](https://www.textcontrol.com/blog/2025/10/02/sneak-peek-tx-text-control-34-0-coming-november-2025/llms.txt) - [TX Text Control 33.0 SP3 is Now Available: What's New in the Latest Version](https://www.textcontrol.com/blog/2025/08/14/tx-text-control-33-0-sp3-is-now-available/llms.txt) - [High-Performance Text Replacement in Large DOCX Files using C# .NET](https://www.textcontrol.com/blog/2025/07/30/high-performance-text-replacement-in-large-docx-files-using-csharp-dotnet/llms.txt)