public static void Run() { var configuration = new Configuration(Common.MyAppSid, Common.MyAppKey); var apiInstance = new DocumentApi(configuration); try { var fileInfo = new FileInfo { FilePath = "WordProcessing/four-pages.docx" }; var options = new PreviewOptions() { FileInfo = fileInfo, OutputPath = "Output/preview-page", Pages = new List <int?> { 1, 3 }, Format = PreviewOptions.FormatEnum.Png }; var request = new PreviewRequest(options); var response = apiInstance.Preview(request); foreach (var document in response.Documents) { Console.WriteLine("Output file path: " + document.Path); } } catch (Exception e) { Console.WriteLine("Exception while calling api: " + e.Message); } }