I am not sure what you are asking and in what context - some more info would be welcome.
Maybe the following thread is related : Hide mouse cursor/change cursor location?
I have spent hours for finding a
solution to hide a cursor in
kiosk-purpose CentOS 5.5 +
WindowMaker-0.92. Finally I found it
so I like to share:
- install unclutter from EPEL repository (unclutter-8-2.el5.i386 in
unclutter -display :0 -root -idle 1 &
(without specifying -root, cursor
hides only in programs, not in window
manager, -idle xx means number of
seconds of mouse inactivity before