private void OnStartAnalysis()
 {
     _resultSet.SetAnalyzedFolder(_curPath);
     StartAnalysisEnabled = false;
     if (_resultSet.GetNumberOfAnalyzedPictures() > 0)
     {
         var clear = MessageBox.Show("Do you want to clear any prevoius analized image?", "Clear resutls?", MessageBoxButtons.YesNo);
         if (clear == DialogResult.Yes)
         {
             _resultSet.ClearPreviousResults();
         }
     }
     SelectedFolder = string.Format("Analyzing {0} files on folder {1} ", _jpegFilesLocation.Count(), _curPath);
     analysisWorker.RunWorkerAsync();
 }