you might check this out
http://blogs.msdn.com/visio/archive/...icon-sets.aspx

also David Parker has a lot of discussion on most of these issues in his
book

al


"visio explorerman" visio wrote in
message ...
I'd like to add a new set of icon set in the existing set under the edit
data
graphic callouts. Can I do that? It is because the current set does not
meet
my requirements.