The event handler receives an argument of type ProcessTextEventArgs containing data related to this event. The following ProcessTextEventArgs properties provide information specific to this event.

The following sample shows the use of hyphenation with the external component NHunspell which exists as NuGet package.

NHunspell.Hyphen _hyphen = new NHunspell.Hyphen(@"c:\users\public\hyph_en_us.dic");
char _conditionalSeperator = (char)173;

private void LL_ProcessText(object sender, ProcessTextEventArgs e)
{
    NHunspell.HyphenResult hyphenated = _hyphen.Hyphenate(e.Text);
   
    if (hyphenated != null)
        e.Text = hyphenated.HyphenatedWord.Replace('=', _conditionalSeperator);
}

Private _hyphen As NHunspell.Hyphen = New NHunspell.Hyphen("c:\users\public\hyph_en_us.dic")
Private _conditionalSeperator As Char = ChrW(173)

Private Sub LL_ProcessText(ByVal sender As Object, ByVal e As ProcessTextEventArgs)

    Dim hyphenated As NHunspell.HyphenResult = _hyphen.Hyphenate(e.Text)

    If hyphenated IsNot Nothing Then
        e.Text = hyphenated.HyphenatedWord.Replace("="c, _conditionalSeperator)
    
End Sub

Platforms: Windows 10 (Version 21H2 - 23H2), Windows 11 (21H2 - 22H2), Windows Server 2016 - 2022
.NET: .NET Framework 4.8, .NET 6, .NET 8, .NET 9

Reference

ListLabel Class
ListLabel Members