protected override void SetChannel(Channel channel)
{
if (channel == null)
{
throw new ArgumentNullException("channel");
}
ITuneRequest tuneRequest;
int hr = tuningSpace.CreateTuneRequest(out tuneRequest);
DsError.ThrowExceptionForHR(hr);
IATSCChannelTuneRequest atscRequest = (IATSCChannelTuneRequest)tuneRequest;
IATSCLocator locator = (IATSCLocator) new ATSCLocator();
locator.put_CarrierFrequency(channel.CarrierFrequency);
locator.put_PhysicalChannel(channel.PhysicalChannel);
atscRequest.put_Locator(locator);
atscRequest.put_Channel(channel.MajorChannel);
atscRequest.put_MinorChannel(channel.MinorChannel);
hr = tuner.put_TuneRequest(atscRequest);
DsError.ThrowExceptionForHR(hr);
ReleaseComObject(tuneRequest);
}
protected virtual void SetCurrentChannel(Channel channel)
{
if (channel == null)
{
throw new ArgumentNullException("channel");
}
if (this.State != GraphState.Running)
{
return;
}
ITuneRequest tuneRequest;
int hr = tuningSpace.CreateTuneRequest(out tuneRequest);
DsError.ThrowExceptionForHR(hr);
IATSCChannelTuneRequest atscRequest = (IATSCChannelTuneRequest)tuneRequest;
IATSCLocator locator = (IATSCLocator) new ATSCLocator();
locator.put_CarrierFrequency(channel.CarrierFrequency);
locator.put_PhysicalChannel(channel.PhysicalChannel);
atscRequest.put_Locator(locator);
atscRequest.put_Channel(channel.MajorChannel);
atscRequest.put_MinorChannel(channel.MinorChannel);
hr = tuner.put_TuneRequest(atscRequest);
DsError.ThrowExceptionForHR(hr);
ReleaseComObject(tuneRequest);
channelSet = true;
}