Hi, how i can do it?

Example:

when my car speed 10km/h or more closePrivButton
and when my car speed lower 10km/h or car stop openPrivButton.

Sorry I speak English badly.

closePrivButton & openPrivButton is lapper related.
i think you should post this in the Lapper development section.

http://www.lfsforum.net/forumdisplay.php?f=262

Quote from chriship :

hello.

You mean if you are lower than 10km/h appears a button?
-and if you go over 10km/h it disappears?

Yes

Quote from eimisnsk :

Yes

You wanna it for lapper?

or for c# for example?

If for lapper post it on the correct section.