public VolumeMonitorViewModel(VolumeMonitor renderMonitor, VolumeMonitor captureMonitor, VolumeWatcherModel model)
        {
            Model = model;

            renderMonitor.OnVolumeNotification   += OnVolumeChanged;
            renderMonitor.OnDefaultDeviceChanged += OnDeviceChanged;

            captureMonitor.OnVolumeNotification   += OnRecVolumeChanged;
            captureMonitor.OnDefaultDeviceChanged += OnRecDeviceChanged;

            Model.SetDeviceInfo(renderMonitor.AudioDevice);
            Model.SetRecDeviceInfo(captureMonitor.AudioDevice);
        }
 /// <summary>
 /// ev:規定の録音デバイス変更時
 /// </summary>
 /// <param name="device"></param>
 public void OnRecDeviceChanged(MMDevice device)
 {
     Model.SetRecDeviceInfo(device);
 }