Hello Paul,
Thanks for that. Several other people suggested using
oImg=createobject("image")
? oImg.height
which also worked, and is very short coding. However the functions you suggested seem to work about 10 times faster, so I'm going to use them.
Thanks again!
John
Dr. JW Faithfull
Curator in Geology
Hunterian Museum
University of Glasgow
Glasgow G12 8QQ
Scotland