How to disable the wheel scrool action on virtual desktop pager?

English Applications
1

I would remove the scroll among virtual desktop when I scroll with mouse wheel on the virtual desktop pager, how can I get it?

2

You need to tell people what desktop you’re using, if you want any chance of help with this question.

3

uh, sorry, I always forget that there are other desktop environment but kde, I have KDE

4
  1. Right click on the desktop
  2. Configure Desktop and Wallpaper
  3. Mouse Actions
  4. Delete the “Vertical-Scroll Switch Desktop” line
5

done, it doesn’t work, it works when I scroll on the desktop but it doesn’t when I scroll on the pager