How to catch down or up event

[ricky-o-k]

1. I want to catch event and input my custom event, when mousewheel down or up.
   How I can do it? Thank you.

2. I want to know option's movingFlag description. how to use movingFlag data?

[abel-oye]

Will mouse wheel trigger page changes?
If yes beforeChange or afterChange,If No bind custom events in the element.