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Spell Checking Dialog

Updated on Sep 15, 2025

This dialog allows you to spell check the text in the document.

An image showing the spell checking dialog of RadRichTextBox for WPF

The dialog can be opened from the Spell Check button in the Review tab of the RadRichTextBoxRibbonUI or via the in the same option in the right-click menu (context menu) of RadRichTextBox.

An image showing the button that opens the spell checking dialog of RadRichTextBox for WPF

An image showing the context menu that opens the spell checking dialog of RadRichTextBox for WPF

Showing the Dialog Manually

The dialog can be shown by executing the ShowSpellCheckingDialogCommand. See how to bind the command to an external button in the Commands article.

Executing the show dialog command

C#
	this.richTextBox.Commands.ShowSpellCheckingDialogCommand.Execute(null);

Alternatively, call the ShowSpellCheckingDialog method of RadRichTextBox.

Using the show dialog method

C#
	this.richTextBox.ShowSpellCheckingDialog();
In this article
Showing the Dialog Manually
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