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V25.1
  • ISpellCheckService.CheckWordSpelling(String) Method

    Returns whether the specified word is spelled correctly.

    Namespace: DevExpress.Blazor.RichEdit

    Assembly: DevExpress.Blazor.v25.1.dll

    NuGet Package: DevExpress.Blazor

    Declaration

    bool CheckWordSpelling(
        string word
    )

    Parameters

    Name Type Description
    word String

    A word.

    Returns

    Type Description
    Boolean

    true if the word is spelled correctly; otherwise, false.

    Remarks

    The Rich Text Editor passes words from the active sub-document to the CheckWordSpelling method to check their spelling. When this method returns false, the component considers the word misspelled and underlines it with a wavy red line.

    A user can right-click a misspelled word to invoke the context menu. The context menu displays suggested replacements for this word. To generate suggestions, the Rich Text Editor passes the misspelled word to the GetSpellingSuggestions(String) method.

    Check spelling in the Rich Text Editor

    The following code snippet implements an ISpellCheckService interface:

    using DevExpress.Blazor.RichEdit;
    using System.Collections.Generic;
    using System.Globalization;
    using System.IO;
    using System.Linq;
    
    public class MySpellCheckService : ISpellCheckService {
        public CultureInfo Culture { get; set; }
        public bool AddToDictionaryEnabled { get; }
        public int MaxSuggestionCount { get; }
        string PathToDictionary { get;}
        List<string> CorrectWords { get;}
    
        public MySpellCheckService(string path) {
            PathToDictionary = path;
            Culture = CultureInfo.InvariantCulture;
            AddToDictionaryEnabled = true;
            MaxSuggestionCount = 7;
            CorrectWords = File.ReadLines(PathToDictionary).ToList();
            CorrectWords.Sort();
        }
    
        public void AddToDictionary(string word) {
            if (Culture.TwoLetterISOLanguageName == "en") {
                word = word.ToLower();
                int placeToInsert = CorrectWords.BinarySearch(word);
                CorrectWords.Insert(placeToInsert, word);
                File.AppendAllText(PathToDictionary, word + '\n');
            }
        }
    
        public bool CheckWordSpelling(string word) {
            if (Culture.TwoLetterISOLanguageName == "en") {
                int index = CorrectWords.BinarySearch(word.ToLower());
                return (index >= 0);
            }
            return false;
        } 
    
        public string[] GetSpellingSuggestions(string word) {
            List<string> suggestions = new List<string>();
            // Generate suggestions and add them to the list
            return suggestions.ToArray();
        }
    }
    

    Refer to the following topic for more information about the built-in spell check service: Spell Check.

    See Also