private void lbClients_DoubleClick(object sender, EventArgs e)
 {
     if (lbClients.SelectedItems.Count == 1)
     {
         administrate admin = new administrate(lbClients.SelectedItems[0].SubItems[0].Text,
                                               commonData.ns_collection[lbClients.SelectedItems[0].Index], lbClients.SelectedItems[0].SubItems[2].Text);
         admin.Show();
         commonData.ip_panel_pair.Add(lbClients.SelectedItems[0].SubItems[2].Text, admin);
     }
 }
 private void lbClients_DoubleClick(object sender, EventArgs e)
 {
     if (lbClients.SelectedItems.Count == 1)
     {
         administrate admin = new administrate(lbClients.SelectedItems[0].SubItems[0].Text,
             commonData.ns_collection[lbClients.SelectedItems[0].Index], lbClients.SelectedItems[0].SubItems[2].Text);
         admin.Show();
         commonData.ip_panel_pair.Add(lbClients.SelectedItems[0].SubItems[2].Text, admin);
     }
 }