if (chars.Length > 0)
                    {
                        string log = string.Format("{0}:{1}", acc.Username, acc.Password);
                        UpdateListView();
                        sWorking += log + "\r\n";
 
                        foreach (IJJIAccount.GunZCharacter gc in chars)
                        {
                            log = string.Format("\t{0} - Level {1}", gc.CharName, gc.Level);
                            sWorking += log + "\r\n";
                        }
                    }

void UpdateListView()
        {
            ListViewItem Lvi = new ListViewItem(acc.Username);
            ListViewItem.ListViewSubItem LviPassword = new ListViewItem.ListViewSubItem(Lvi, acc.Password);
            Lvi.SubItems.Add(LviPassword);
            IDC_ListView.Items.Add(Lvi);
        }

 
Application.DoEvents();
listView1.Refresh();