# RichTextBox and TextBox

> Spell check a Windows Forms RichTextBox or TextBox with TX Spell .NET: Select positions, Validating, AutoComplete suggestions, the dialog and GetMenuItems.

- **Product:** TX Spell .NET for Windows Forms
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Spell .NET for Windows Forms > Integration Guide > RichTextBox and TextBox
- **Web URL:** https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/richtextbox/
- **LLMs URL:** https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/richtextbox/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/richtextbox/llms-full.txt

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## On This Page

- [What TX Spell .NET Does and What Your Code Does](https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/richtextbox/#what-tx-spell-net-does-and-what-your-code-does)
- [Mark Misspelled Words as the User Types](https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/richtextbox/#mark-misspelled-words-as-the-user-types)
- [Complete Words in a TextBox](https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/richtextbox/#complete-words-in-a-textbox)
- [Correct in the Dialog](https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/richtextbox/#correct-in-the-dialog)
- [Correct in a Context Menu](https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/richtextbox/#correct-in-a-context-menu)
- [Several Controls](https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/richtextbox/#several-controls)
- [Samples](https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/richtextbox/#samples)
- [Next Steps](https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/richtextbox/#next-steps)

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## Nearby

- **Previous:** [TX Text Control .NET for Windows Forms](https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/tx-text-control/llms.txt)
- **Next:** [Other Controls](https://docs.textcontrol.com/tx-spell-dotnet-winforms/integration/other-controls/llms.txt)