''' <summary>
''' Creates the spell check manager for specified <see cref="System.Windows.Forms.RichTextBox"/>.
''' </summary>
''' <param name="textBox">The rich text box.</param>
''' <param name="engines">The spell check engines.</param>
''' <returns>
''' The spell check manager for rich text box.
''' </returns>
Public Shared Function CreateManager(textBox As System.Windows.Forms.RichTextBox, engines As System.Collections.Generic.List(Of Vintasoft.Imaging.Spelling.ISpellCheckEngine)) As Vintasoft.Imaging.Spelling.UI.RichTextBoxSpellCheckManager
    ' create the spell check manager
    Dim spellCheckManager As New Vintasoft.Imaging.Spelling.SpellCheckManager()
    ' specify the spell check engines, which the spell check manager must use for spell checking
    spellCheckManager.Engines = engines

    ' create the spell check manager for a rich text box
    Dim richTextBoxSpellCheckManager As New Vintasoft.Imaging.Spelling.UI.RichTextBoxSpellCheckManager()
    ' specify the rich text box in which text must be spell checked
    richTextBoxSpellCheckManager.TextBox = textBox
    ' specify the spell check manager that should be used for spell checking of text in the rich text box
    richTextBoxSpellCheckManager.SpellCheckManager = spellCheckManager

    Return richTextBoxSpellCheckManager
End Function

/// <summary>
/// Creates the spell check manager for specified <see cref="System.Windows.Forms.RichTextBox"/>.
/// </summary>
/// <param name="textBox">The rich text box.</param>
/// <param name="engines">The spell check engines.</param>
/// <returns>
/// The spell check manager for rich text box.
/// </returns>
public static Vintasoft.Imaging.Spelling.UI.RichTextBoxSpellCheckManager CreateManager(
    System.Windows.Forms.RichTextBox textBox,
    System.Collections.Generic.List<Vintasoft.Imaging.Spelling.ISpellCheckEngine> engines)
{
    // create the spell check manager
    Vintasoft.Imaging.Spelling.SpellCheckManager spellCheckManager =
        new Vintasoft.Imaging.Spelling.SpellCheckManager();
    // specify the spell check engines, which the spell check manager must use for spell checking
    spellCheckManager.Engines = engines;

    // create the spell check manager for a rich text box
    Vintasoft.Imaging.Spelling.UI.RichTextBoxSpellCheckManager richTextBoxSpellCheckManager =
        new Vintasoft.Imaging.Spelling.UI.RichTextBoxSpellCheckManager();
    // specify the rich text box in which text must be spell checked
    richTextBoxSpellCheckManager.TextBox = textBox;
    // specify the spell check manager that should be used for spell checking of text in the rich text box
    richTextBoxSpellCheckManager.SpellCheckManager = spellCheckManager;

    return richTextBoxSpellCheckManager;
}