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Overview

The WinForms Spell Checker component provides spell checking functionality to your application. It can perform spell checking on text editor controls and offers built-in features to correct error words, ignore special words, and add new terms in the dictionary. It also supports using a custom dictionary to check spelling.


Custom Dictionary

WinForms SpellChecker comes with one predefined dictionary for English language and also supports custom dictionary based on user’s application requirement.

Windows Forms spell checker custom dictionary


WinForms Spell Checker Code Example

Easily get started with the WinForms SpellChecker using a few simple lines of C# code example as demonstrated below. Also explore our WinForms SpellChecker Example that shows you how to render and configure the SpellChecker in WinForms.

using Syncfusion.Windows.Forms.Tools;
namespace WinFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            RichTextBox richTextBox = new RichTextBox();
            richTextBox.Size = new Size(300, 100);
            Button button = new Button();
            button.Size = new Size(100, 25);
            button.Location = new Point(70, 120);
            SpellCheckerAdv spellCheckerAdv = new SpellCheckerAdv();
            richTextBox.Text = "Ribbn illustrats the Microsoft Offce UI.";
            button.Text = "Spell Check";
            button.Click += (s, e) =>
            {
                SpellCheckerAdvEditorWrapper TextEditor = new SpellCheckerAdvEditorWrapper(richTextBox);
                spellCheckerAdv.SpellCheck(TextEditor);
            };
            this.Controls.Add(button);
            this.Controls.Add(richTextBox);
        }
    }
}



100+ WINDOWS FORMS CONTROLS

Frequently Asked Questions

  • Add Microsoft Word-like spell checking capability to your application, allowing users to correct and replace error words from suggestions.
  • Supports standard dictionaries such as Hunspell, ISpell, OpenOffice to import custom dictionaries for spell check.
  • Ignore special words and add new words in the dictionary.
  • Provide rich set of visual style to customize the look and feel of SpellChecker.
  • One of the best WinForms Spell Checker in the market that offers feature-rich UI to interact with the software.
  • Simple configuration and API.
  • Extensive demos and documentation to learn quickly and get started with WinForms Spell Checker.

We do not sell the WinForms Spell Checker control separately. It is only available for purchase as part of the Syncfusion WinForms suite, which contains over 100 WinForms controls, including Spell Checker. A single developer license for the Syncfusion Essential Studio for WinForms suite costs $995.00 USD, including one year of support and updates. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team to see if you qualify for any additional discounts.

You can find our WinForms Spell Checker demo on

GitHub location.

No, our 100+ WinForms controls, including Spell Checker, are not sold individually, only as a single package. However, we have competitively priced the product so it only costs a little bit more than what some other vendors charge for their Spell Checker alone. We have also found that, in our experience, our customers usually start off using one of our products and then expand to several products quickly, so we felt it was best to offer all 100+ WinForms controls for a flat fee of $995/developer. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team today to see if you qualify for any additional discounts.

No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

A good place to start would be our comprehensive getting started documentation.

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