New to Telerik UI for WPFStart a free 30-day trial

Insert Symbol Dialog

Updated on Sep 15, 2025

This dialog allows you to insert special symbols at the cursor position in the document.

An image showing the insert symbol dialog of RadRichTextBox for WPF

The dialog can be opened from the Symbol button in the Insert tab of the RadRichTextBoxRibbonUI.

An image showing the button that opens the insert symbol dialog of RadRichTextBox for WPF

Showing the Dialog Manually

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

Executing the show dialog command

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

Alternatively, call the ShowInsertSymbolWindow method of RadRichTextBox.

Using the show dialog method

C#
	this.richTextBox.ShowInsertSymbolWindow();
In this article
Showing the Dialog Manually
Not finding the help you need?
Contact Support