private IEnumerable <int> ChooseSamples(string dataSource, IEnumerable <string> sampleNames)
 {
     using (var dlg = new ImportResultsSamplesDlg(dataSource, sampleNames))
     {
         if (dlg.ShowDialog(this) == DialogResult.OK)
         {
             return(dlg.SampleIndices);
         }
         return(null);
     }
 }
 private IEnumerable<int> ChooseSamples(string dataSource, IEnumerable<string> sampleNames)
 {
     using (var dlg = new ImportResultsSamplesDlg(dataSource, sampleNames))
     {
         if (dlg.ShowDialog(this) == DialogResult.OK)
             return dlg.SampleIndices;
         return null;
     }
 }