Search and highlight text in all the documents of folder using C#

HighlightSearchResults.cs

string indexFolder =    @"indexPath/GroupDocs/index/";
string documentFolder = @"documentPath/GroupDocs/source/";
string query = "draw";

// Create an index in the specified folder and add documents folder to Index
Index index = new Index(indexFolder);
index.Add(documentFolder);

// Search for the word of query
SearchResult result = index.Search(query);

// Highlight all the occurrences in text
for (int i = 0; i < result.DocumentCount; i++)
{
    FoundDocument document = result.GetFoundDocument(i);
                    
    string path = indexFolder + "Highlighted-"+ i +".html";
    OutputAdapter outputAdapter = new FileOutputAdapter(path); 
    Highlighter highlighter = new HtmlHighlighter(outputAdapter); 
    index.Highlight(document, highlighter);
}

SearchTextInDocs.cs

// Search Query Text in all documents of the provided folder in C#
string indexFolder =  @"indexPath/GroupDocs/index/";
string documentsFolder = @"documentPath/GroupDocs/source/";
string query = "video";

// Creating index in the specified folder and add documents folder to Index
Index index = new Index(indexFolder);
index.Add(documentsFolder);

// Searching in index
SearchResult result = index.Search(query);
Console.WriteLine("Documents found: " + result.DocumentCount);

// Traverse each document of the Search Result
foreach (FoundDocument document in result)
{
    Console.WriteLine("Document Path : " + document.DocumentInfo.FilePath);
    Console.WriteLine("Occurance : " + document.OccurrenceCount);
}