我目前有这段代码，遍历默认设备(未显示)的AudioSession控件:intsessionCount;hr=audioSessionEnumerator->GetCount(&sessionCount);if(FAILED(hr)){throwHRESULTException("audioSessionEnumerator->GetCount",hr);}IAudioSessionControl*audioSessionControl;for(inti=0;iGetSession(i,&audioSessionControl);if(FAILED(hr)){throwHRESULTE