using (DocumentConverter documentConverter = new DocumentConverter())
{
   var inFile = Path.Combine(ImagesPath.Path, @"Leadtools.pdf");
   var outFile = Path.Combine(ImagesPath.Path, @"output.txt");
   var format = DocumentFormat.Text;
   var jobData = DocumentConverterJobs.CreateJobData(inFile, outFile, format);
   jobData.JobName = "conversion job";
   var job = documentConverter.Jobs.CreateJob(jobData);
   documentConverter.Jobs.RunJob(job);
}