Viewer_NewStyle.cs

// Set output directory for saving rendered pages
string pageFilePathFormat = Path.Combine("D:\\output", "page_{0}.html");
using (Viewer viewer = new Viewer("D:\\storage\\sample.docx"))
{               
     // Set options to get HTML with embedded resources
     HtmlViewOptions options = HtmlViewOptions.ForEmbeddedResources(pageFilePathFormat);    
     // Render document         
     viewer.View(options);
}

Viewer_OldStyle.cs

ViewerConfig config = new ViewerConfig();
config.StoragePath = @"D:\\storage\\";

// Create HTML handler
ViewerHtmlHandler htmlHandler = new ViewerHtmlHandler(config);
 
// Guid implies that unique document name 
string guid = "sample.docx";
 
// Instantiate the HtmlOptions object
HtmlOptions options = new HtmlOptions();
 
// To get HTML representations of pages with embedded resources
options.IsResourcesEmbedded = true;
 
// Get document pages in html form
List<PageHtml> pages = htmlHandler.GetPages(guid, options);
 
foreach (PageHtml page in pages)
{
    // Access HTML of each page using page.HtmlContent property
}