/// <summary>
/// scans current transponder for more channels.
/// </summary>
/// <param name="channel">IChannel containing the transponder tuning details.</param>
/// <param name="settings">Scan settings</param>
/// <returns>list of channels found</returns>
public IChannel[] Scan(IChannel channel, ScanParameters settings)
{
try
{
if (_cardHandler.DataBaseCard.Enabled == false)
{
return(new List <IChannel>().ToArray());
}
try
{
RemoteControl.HostName = _cardHandler.DataBaseCard.ReferencedServer().HostName;
if (!RemoteControl.Instance.CardPresent(_cardHandler.DataBaseCard.IdCard))
{
return(new List <IChannel>().ToArray());
}
if (_cardHandler.IsLocal == false)
{
return(RemoteControl.Instance.Scan(_cardHandler.DataBaseCard.IdCard, channel));
}
}
catch (Exception)
{
Log.Error("card: unable to connect to slave controller at:{0}",
_cardHandler.DataBaseCard.ReferencedServer().HostName);
return(null);
}
ITVScanning scanner = _cardHandler.Card.ScanningInterface;
if (scanner == null)
{
return(null);
}
scanner.Reset();
List <IChannel> channelsFound = scanner.Scan(channel, settings);
if (channelsFound == null)
{
return(null);
}
return(channelsFound.ToArray());
}
catch (TvExceptionNoSignal)
{
//ignore
return(null);
}
catch (Exception ex)
{
Log.Write(ex);
return(null);
}
}
private void buttonScan_Click(object sender, EventArgs e)
{
if ((_currentCard as TvCardAnalog) != null)
{
if (
MessageBox.Show(this, "Scanning is not possible for analog tv cards. (try it anyway ?:) )",
"Not posible, Try anyway ?", MessageBoxButtons.YesNo) != DialogResult.Yes)
{
return;
}
}
timer1.Enabled = false;
buttonTimeShiftTS.Enabled = false;
buttonRecordMpg.Enabled = false;
buttonTimeShift.Enabled = false;
buttonRecord.Enabled = false;
buttonTune.Enabled = false;
buttonScan.Enabled = false;
btnEPG.Enabled = false;
ITVScanning scanner = _currentCard.ScanningInterface;
scanner.Reset();
List <IChannel> channels = scanner.Scan(_currentCard.SubChannels[0].CurrentChannel, new TvLibrary.ScanParameters());
scanner.Dispose();
listViewChannels.Items.Clear();
foreach (IChannel channel in channels)
{
ListViewItem item = new ListViewItem(channel.ToString());
item.Tag = channel;
listViewChannels.Items.Add(item);
}
MessageBox.Show(String.Format("Found {0} channels", channels.Count));
buttonScan.Enabled = true;
buttonTune.Enabled = true;
btnEPG.Enabled = true;
timer1.Enabled = true;
}
