highlight.cs

string indexFolder = @"c:\MyIndex";
string documentFolder = @"c:\MyDocuments";
// Creating index
Index index = new Index(indexFolder);
// Adding documents to index
index.Add(documentFolder);
// Searching
SearchResult result = index.Search("hobbit");
// Highlighting found terms in short HTML snippets
if (result.DocumentCount > 0)
{
    FoundDocument document = result.GetFoundDocument(0);
    HtmlFragmentHighlighter highlighter = new HtmlFragmentHighlighter();
    index.Highlight(document, highlighter);
 
    // Getting the result
    FragmentContainer[] fragmentContainers = highlighter.GetResult();
    for (int i = 0; i < fragmentContainers.Length; i++)
    {
        FragmentContainer container = fragmentContainers[i];
        string[] fragments = container.GetFragments();
        if (fragments.Length > 0)
        {
            Console.WriteLine(container.FieldName);
            Console.WriteLine();
            for (int j = 0; j < fragments.Length; j++)
            {
                // Printing HTML markup to console
                Console.WriteLine(fragments[j]);
                Console.WriteLine();
            }
        }
    }
}