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syncfusion-wpf-spellchecker

Automate WPF spell checking for TextBox and RichTextBox content.

5|2|Updated Mar 25, 2026
Search Tags:#theming#wpf#spell-check#text-editing#dictionaries#sfspellchecker#custom-dictionary
One-click install
npx skills add https://github.com/syncfusion/wpf-ui-components-skills --skill syncfusion-wpf-spellchecker
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: syncfusion-wpf-spellchecker
Source: https://github.com/syncfusion/wpf-ui-components-skills/tree/main/skills/syncfusion-wpf-spellchecker
Command: npx skills add https://github.com/syncfusion/wpf-ui-components-skills --skill syncfusion-wpf-spellchecker

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

The SfSpellChecker skill enables developers to add robust WPF spell-checking capabilities to applications with configuration, dictionaries, and theming, reducing manual proofreading work.

Core Features & Use Cases

  • Dialog-based spell checking with suggestions and corrections
  • Context menu corrections for quick inline fixes
  • Multi-language dictionary support and custom dictionaries
  • Theming, localization, and accessibility considerations for production apps

Quick Start

Attach SfSpellChecker to a TextBox (and optionally enable context menu) and trigger spell checking to begin.

Frequently Asked Questions about syncfusion-wpf-spellchecker

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I add spell checking to a WPF TextBox or RichTextBox?▼

You can implement WPF spell checking using either a dialog-based interface for reviewing suggestions or a context menu for quick inline corrections. Both methods provide spelling suggestions and apply corrections directly to TextBox or RichTextBox content.

Can I use custom dictionaries and multiple languages for WPF spell checking?▼

Yes, WPF spell checking supports multi-language dictionary formats including Hunspell, Ispell, and OpenOffice dictionaries. You can also configure custom dictionaries to handle specialized vocabulary and domain-specific terms within your application.

Does WPF spell checking support theming and localization for production apps?▼

WPF spell checking includes theming, localization, and accessibility considerations designed for production applications. You can customize themes and handle events to integrate the spell checker seamlessly into your existing desktop UI.

What is the best way to trigger spell checking in a WPF document editor?▼

The best way to trigger spell checking in a WPF document editor is to attach the SfSpellChecker to your text control and invoke the validation process. This initiates the scanning of content against your configured dictionaries.

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