private void GetAudioMeterInformation()
{
object result;
deviceInterface.Activate(typeof(IAudioMeterInformation).GUID, ClsCtx.ALL, IntPtr.Zero, out result);
audioMeterInformation = new AudioMeterInformation(result as IAudioMeterInformation);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="audioSessionControl"></param>
public AudioSessionControl(IAudioSessionControl audioSessionControl)
{
audioSessionControlInterface = audioSessionControl;
audioSessionControlInterface2 = audioSessionControl as IAudioSessionControl2;
var meters = audioSessionControlInterface as IAudioMeterInformation;
var volume = audioSessionControlInterface as ISimpleAudioVolume;
if (meters != null)
{
audioMeterInformation = new AudioMeterInformation(meters);
}
if (volume != null)
{
simpleAudioVolume = new SimpleAudioVolume(volume);
}
}