public void OnTextEntered(TextCompositionEventArgs e, TextDocument doc)
 {
     if (_codeCompletion.OnTextEntered(e.Text))
     {
         _foldingStrategy.UpdateFoldings(doc);
     }
 }
 void winEditBox_TextArea_TextEntered(object sender, TextCompositionEventArgs e)
 {
     if (_codeCompletion.OnTextEntered(e.Text))
     {
         _foldingStrategy.UpdateFoldings(winEditBox.Document);
     }
 }