# Product Architecture

> How TX Spell .NET for Windows Forms is built: TXSpell.dll and TXSpell.Windows.Forms.dll, the language data folders, TextControl integration, NuGet packages.

- **Product:** TX Spell .NET for Windows Forms
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Spell .NET for Windows Forms > Overview > Product Architecture
- **Web URL:** https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/architecture/
- **LLMs URL:** https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/architecture/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/architecture/llms-full.txt

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## On This Page

- [How the Parts Fit](https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/architecture/#how-the-parts-fit)
- [The Two Classes](https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/architecture/#the-two-classes)
- [The Language Data](https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/architecture/#the-language-data)
- [How TX Text Control Uses the Spell Checker](https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/architecture/#how-tx-text-control-uses-the-spell-checker)
- [How Other Controls Use It](https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/architecture/#how-other-controls-use-it)
- [The NuGet Packages](https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/architecture/#the-nuget-packages)
- [One Spell Checker for Many Controls](https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/architecture/#one-spell-checker-for-many-controls)
- [Next Steps](https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/architecture/#next-steps)

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## Nearby

- **Previous:** [Introduction](https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/introduction/llms.txt)
- **Next:** [Components](https://docs.textcontrol.com/tx-spell-dotnet-winforms/overview/components/llms.txt)