A single situation that will advantages of this presence of the virtual directory is actually in which you need to give a new individual information directory. Solely this VIS would need to realize anything around the new directory. Considering that the VIS consolidates all the individual information and also presents the item towards apps as though it had been stashed inside the virtual index, this apps will not likely possibly be aware that you might have added in yet another directory, a lot less be affected by this transform.
Virtual Directory
