private void GetAudioVolumeLevel()
{
_Part.Activate(CLSCTX.ALL, ref IIDs.IID_IAudioVolumeLevel, out object result);
if (result != null)
{
_AudioVolumeLevel = new AudioVolumeLevel(result as IAudioVolumeLevel);
_AudioVolumeLevelChangeNotification = new ControlChangeNotify(this);
Marshal.ThrowExceptionForHR(_Part.RegisterControlChangeCallback(ref IIDs.IID_IAudioVolumeLevel, _AudioVolumeLevelChangeNotification));
}
}
private void GetAudioVolumeLevel()
{
object result = null;
_Part.Activate(CLSCTX.ALL, ref IIDs.IID_IAudioVolumeLevel, out result);
if (result != null)
{
_AudioVolumeLevel = new AudioVolumeLevel(result as IAudioVolumeLevel);
_AudioVolumeLevelChangeNotification = new ControlChangeNotify(this);
Marshal.ThrowExceptionForHR(_Part.RegisterControlChangeCallback(ref IIDs.IID_IAudioVolumeLevel, _AudioVolumeLevelChangeNotification));
}
}