Hyperlink tooltip is not changed when the HyperlinkNavigationMode property of RadRichTextBox is changed. Workaround: Invoke radRichTextBox.ActiveEditorPresenter.RecreateUI() method just after the property value change: this.radRichTextBox.HyperlinkNavigationMode = HyperlinkNavigationMode.Click; this.radRichTextBox.ActiveEditorPresenter.RecreateUI(); Steps to reproduce: 1. Insert a hyperlink in RTB. 2. On button click change the HyperlinkNavigationMode. Observe: The tooltip is not changed from Click to ... Ctrl + Click to .. and vise versa.