Its more convenient for a user to D&D from disk into a folder instead of right mouse, add document, select document ....
Implementing comprehensive drag&drop in PowerWeb is scheduled for the BCME 2018R2 release.
We're working on mockups for the drag&drop functionality for 2018R2. I expect to have the first mockups in about 2 weeks. Drop me a mail at email@example.com if you want to take part in a feedback session on these mockups.
Drag and drop of files into PowerWeb shipped in BCME 2018R2.
You won't be notified about changes to this idea.