Add additional pre mount/unmount changed event and callback.
This will be delivered (if subscribed) BEFORE mount/unmount operation is started.
This will be helpful to the user who wants to be notified before the mount/unmount operation starts.
One such requirement is mentioned here.
Add additional pre mount/unmount changed event and callback. This will be delivered (if subscribed) BEFORE mount/unmount operation is started. This will be helpful to the user who wants to be notified before the mount/unmount operation starts. One such requirement is mentioned here.