private void TestTuningSpace() { int hr = 0; ITuningSpace tuningSpace; string name; hr = tuner.get_TuningSpace(out tuningSpace); hr = tuningSpace.get_FriendlyName(out name); DsError.ThrowExceptionForHR(hr); Debug.Assert(name.EndsWith("TuningSpace"), "ITuner.get_TuningSpace"); // put_TuningSpace have been tested in BuildGraph... }