private void GetAudioMeterInformation()
{
object obj;
Marshal.ThrowExceptionForHR(this.deviceInterface.Activate(ref MMDevice.IID_IAudioMeterInformation, ClsCtx.ALL, IntPtr.Zero, out obj));
this.audioMeterInformation = new AudioMeterInformation(obj as IAudioMeterInformation);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="audioSessionControl"></param>
public AudioSessionControl(IAudioSessionControl audioSessionControl)
{
audioSessionControlInterface = audioSessionControl;
audioSessionControlInterface2 = audioSessionControl as IAudioSessionControl2;
if (audioSessionControlInterface is IAudioMeterInformation meters)
{
AudioMeterInformation = new AudioMeterInformation(meters);
}
if (audioSessionControlInterface is ISimpleAudioVolume volume)
{
SimpleAudioVolume = new SimpleAudioVolume(volume);
}
}
