How to make the X cursor invisible

[Ian Leonard <ian smallworld cx>]

Hi,

I want to hide the X cursor. The docs say the way to do this is to use
gdk_cursor_new_from_pixmap () with an empty pixmap. I haven't been able 
to make this work. Does anybody have any code examples or pointers?

TIA.

--
Ian Leonard

Please ignore spelling and punctuation - I did.