private void GetAudioMeterInformation() { object result; Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioMeterInformation, CLSCTX.ALL, IntPtr.Zero, out result)); _AudioMeterInformation = new AudioMeterInformation(result as IAudioMeterInformation); }
internal AudioSessionControl(IAudioSessionControl2 realAudioSessionControl) { IAudioMeterInformation _meters = realAudioSessionControl as IAudioMeterInformation; ISimpleAudioVolume _volume = realAudioSessionControl as ISimpleAudioVolume; if (_meters != null) { _AudioMeterInformation = new AudioMeterInformation(_meters); } if (_volume != null) { _SimpleAudioVolume = new SimpleAudioVolume(_volume); } _AudioSessionControl = realAudioSessionControl; }