Gets or sets the number of suggested words displayed in the spelling form.
You also can use the server-side ASPxRichEdit.SpellCheckerWordAdded event that fires when a user adds a new word in the dictionary. Use this event to save added words to a custom physical dictionary.
The spell-checking functionality exposed by the RichEdit is provided by the ASPxSpellChecker control. To learn more about the capabilities of the DevExpress ASP.NET Spell Checker, refer to its documentation and demos.