private void dataGridView1_CellMouseDoubleClick(object sender, DataGridViewCellMouseEventArgs e)
 {
     if (e.RowIndex != -1)
     {
         DuplicateFileInfo d = dataGridView1.Rows[e.RowIndex].DataBoundItem as DuplicateFileInfo;
         var nodes           = Candidates.Nodes.Find(d.Path, true);
         if (nodes.Length == 1)
         {
             Candidates.CollapseAll();
             nodes[0].EnsureVisible();
             Candidates.SelectedNode = nodes[0];
             Files.SelectedItem      = d.FileName;
             nodes = Where.Nodes.Find(d.FullPath, true);
             if (nodes.Length == 1)
             {
                 tabControl1.SelectedTab = tabPage1;
                 Where.Select();
                 nodes[0].EnsureVisible();
                 Where.SelectedNode = nodes[0];
             }
         }
     }
 }