8
votes
7answers
2k views

Visually show “Content cannot be dropped here”

I am trying to show to user if "Content cannot be mapped to the desired location" on my UI. Refer to the image attached above, user can drag and drop a file to the rectangular areas defined but not ...
1
vote
3answers
109 views

Icon for Appending a file after existing file

I am designing an editor. On my UI, there is an icon for importing a file. When user opens the editor and clicks on “Import” icon, that file is opened in editor. Now I want that if user clicks ...
5
votes
3answers
165 views

Is it necessary to include an interface's “hidden functions” in the manual / help?

Background A well designed interface allows any type of user, beginner, advanced, or expert, to achieve their objective quickly. In most cases, help information contains the description of elements ...