void TestAudioMode()
{
int hr;
TVAudioMode pmode;
hr = m_itva.get_TVAudioMode(out pmode);
DsError.ThrowExceptionForHR(hr);
hr = m_itva.put_TVAudioMode(TVAudioMode.LangA);
DsError.ThrowExceptionForHR(hr);
hr = m_itva.get_TVAudioMode(out pmode);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(pmode == TVAudioMode.LangA, "Get/Set TVAudioMode");
}