oldcodestyle.cs

string documentPath = @"C:\sample.docx"; 
// Obtain document stream
Stream sourceStream = File.Open(documentPath, FileMode.Open, FileAccess.Read);
 
using (InputHtmlDocument htmlDoc = EditorHandler.ToHtml(sourceStream))
{
    // Obtain HTML document content
    string htmlContent = htmlDoc.GetContent();
     
    // Edit html in WYSIWYG-editor...
    
    // Save edited html to original document format
    using (OutputHtmlDocument editedHtmlDoc = OutputHtmlDocument.FromMarkup(htmlContent, Path.Combine(Common.sourcePath, Common.resultResourcesFolder)))
    {
        using (System.IO.FileStream outputStream = System.IO.File.Create(@"C:\output\edited.docx"))
        {
            WordProcessingSaveOptions  saveOptions = new WordProcessingSaveOptions();
            EditorHandler.ToDocument(editedHtmlDoc, outputStream, saveOptions);
        }
    }
}
// close stream object to release file for other methods.
sourceStream.Close();