private void TestTriggerSignalEvents()
{
int hr = 0;
// This method is supposed to be use to specify pulling interval of an "undocumented"
// callback interface : ISignalEvents
//
// This interface is not registered on my computer and i only found it documented in the
// DX 8.1 section from the Japan MSDN Library...
// every 1000ms
hr = tuner.TriggerSignalEvents(1000);
DsError.ThrowExceptionForHR(hr);
// Disable pulling
hr = tuner.TriggerSignalEvents(0);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(hr == 0, "ITuner.TriggerSignalEvents");
}