Please check out this link on MSDN for Windows API functions: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winprog/win prog/functions_in_alphabetical_order.asp It makes it very convenient to peruse them. Perhaps all you ever wanted to know about them. :) Best regards, Ken Pergola P.S. The URL may get word-wrapped -- just stitch it back together. -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads