private void GetAudioEndpointVolume()
{
object result;
Marshal.ThrowExceptionForHR(deviceInterface.Activate(ref IID_IAudioEndpointVolume, ClsCtx.ALL, IntPtr.Zero, out result));
_AudioEndpointVolume = new AudioEndpointVolume(result as IAudioEndpointVolume);
}
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)
{
_Parent = parent;
}
internal AudioEndpointVolumeCallback(AudioEndpointVolume parent)
{
this.parent = parent;
}
protected AudioLevelManager(MMDevice mmdevice, DeviceType direction)
{
Provider = DeviceProvider.Wasapi;
DeviceDirection = direction;
this.mmdevice = mmdevice;
mmDeviceVolume = mmdevice.AudioEndpointVolume;
SetValue(IsAttachedProperty, mmDeviceVolume != null);
if (mmDeviceVolume != null)
{
mmDeviceVolume.OnVolumeNotification += mmDeviceVolume_OnVolumeNotification;
Min = mmDeviceVolume.VolumeRange.MinDecibels;
Max = mmDeviceVolume.VolumeRange.MaxDecibels;
Level = mmDeviceVolume.MasterVolumeLevel;
}
}