C# (CSharp) OnVolumeChangeEnd.Invoke примеры использования

Пример #1

 private void slVolume_PreviewMouseUp(object sender, MouseButtonEventArgs e)
 {
     m_UserManipulating = false;
     OnVolumeChangeEnd?.Invoke();
 }

Пример #2

 private void SlVolume_OnDragCompleted(object sender, EventArgs e)
 {
     m_UserManipulating = false;
     OnVolumeChangeEnd?.Invoke();
 }