C#

int h=listBox1.SelectedIndex;
if(h==0)
{
try
                {
                    reader = new XmlTextReader("path.xml");

                    while (reader.Read())
                    {
                        switch (reader.NodeType)
                        {
                            case XmlNodeType.Text: //Display the text in each element.
                                //   Console.WriteLine(reader.Value);
                                String s1;
                                s1 = reader.Value;
                                String ss;

                                ss = listBox1.SelectedItem.ToString();
                                sss = ss + s1;
                                object o3 = (object)sss;

                                DirectoryInfo dire = new DirectoryInfo(sss);

                                //DirectoryInfo[] dirs = dire.GetDirectories();

                                if (dire.Exists)
                                {
                                    String[] folder;
                                    folder = Directory.GetDirectories(sss);
                                    foreach (string foldername in folder)
                                    {
                            DirectoryInfo di = new DirectoryInfo(foldername);
                                        if (di.Exists)
                                        {
                                            String[] files;
                              files = Directory.GetFiles(foldername, "*.exe*");

                                            //FileInfo[] fi = dire.GetFiles();

                                            foreach (String filename in files)
                                            {
                                                lvi = new ListViewItem();
                                                lvi.Text = filename;
                                                listView1.Items.Add(lvi);

                                 lvsi = new ListViewItem.ListViewSubItem();
                                 lvsi.Text = filename.Length.ToString();
                                                lvi.SubItems.Add(lvsi);
                                             }
                                             this.Controls.Add(listView1);
                                        }
                                    }
                                }
                                break;
                        }
                    }
                }
                catch (System.Exception err)
                {
                    MessageBox.Show("Error: " + err.Message);
                }   
              }
if(h==1)
{
//same as above
}         

ss = listBox1.SelectedItem.ToString();