>I am sending out beta versions of a program and would like to know how to have it stop working on a given date without the user being able to 'get around' this. I have thought of just putting a date check at the beginning of the program, but if the user changes the system date before startup they will be able to use the program. Any suggestions would be greatly appreciated.
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You might take a look at a product called Sharelock. I use in in several applications and it has the locking features you are looking for along with a couple of others. The url is :
http://www.nesbitt.comPat.
Patrick L. Stovall
Senior Architect/Developer
MCP - C#
VeroQuest
P.O.Box 7216
Kalispell, MT 59904