private void ScanForUsableChannels() { _abortScanning = false; _isScanning = true; NotifyForm dlg = new NotifyForm("Testing all checked tv channels...", "Please be patient..."); dlg.Show(this); dlg.WaitForDisplay(); // Create tunning objects Server, User and Card TvServer _server = new TvServer(); IUser _user = new User(); VirtualCard _card; foreach (ListViewItem item in mpListView1.Items) { if (item.Checked == false) { continue; // do not test "un-checked" channels } Channel _channel = (Channel)item.Tag; // get channel dlg.SetMessage( string.Format("Please be patient...\n\nTesting channel {0} ( {1} of {2} )", _channel.DisplayName, item.Index + 1, mpListView1.Items.Count)); Application.DoEvents(); TvResult result = _server.StartTimeShifting(ref _user, _channel.IdChannel, out _card); if (result == TvResult.Succeeded) { _card.StopTimeShifting(); } else { item.Checked = false; _channel.VisibleInGuide = false; _channel.Persist(); } if (_abortScanning) { break; } } mpButtonTestAvailable.Text = "Test"; dlg.Close(); _isScanning = false; _abortScanning = false; }