A combo box is a combination of a list box and a text box.

learn more… | top users | synonyms

14
votes
4answers
17k views

Adding “Select…” as first option (placeholder) of dropdown list

Would it be considered a good practice to add the word "Select..." as the first option of a dropdown list? I think it's redundant and not at all necessary and what is in the dropdown list should be ...
5
votes
1answer
503 views

Guidelines for representing sentinel values within a list

I'm curious if anybody can point me to a list of guidelines (preferable regarding Windows Development UI design) that may help layout rules which to follow when representing sentinel or special values ...