Tagged Questions
13
votes
6answers
518 views
Greyed-Out vs Invisible
What is a good criterion or rule-of-thumb for determining when a control should be greyed-out and when should it be completely invisible?
21
votes
13answers
1k views
Is it better to prevent a forbidden action or display an error/explanation message?
There are multiple examples, so I'll pick a specific one to focus the question.
Let's say a user can have specific characteristics (or permissions):
Admin, Virtual, External, Financial, etc.
To ...