For Parameters that are pointers to Structures you can use
String @ (string by reference) parameter. For pointers within structures you should make them as Long within structure. You may utilize some heap handling classes like the one of Ed Rauh - see UT File #94826. See the following link for more info and links
http://www.news2news.com/vfp/?generic=LinksHTH
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MCSD (VS6)Make solutions, not programs!