I cannot find any mention in the Self manual regarding callbacks into Self from C. Is there a callback mechanism? If so, where can I find the documentation. Regards, Tom # Tom Donaldson 2400 Research Blvd., Suite 350 # # Senior Software Developer Rockville, MD 20850, USA # # Personal Library Software (301) 208-1222, FAX: (301) 963-9738 # # e-mail: tomd@pls.com http://www.pls.com #