private void GetAudioEndpointVolume()
{
object result;
Marshal.ThrowExceptionForHR(deviceInterface.Activate(ref IID_IAudioEndpointVolume, ClsCtx.ALL, IntPtr.Zero, out result));
audioEndpointVolume = new AudioEndpointVolume(result as IAudioEndpointVolume);
}
internal AudioEndpointVolumeCallback(AudioEndpointVolume parent)
{
this.parent = parent;
}
