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Thread: A trial program?

  1. #1
    Guest

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    Dear all,

    I would like to offer a 30 day trial period for my program I am developing.

    To end the 30 days trial, either the program does not operate or the user has to enter a Serial number to end the 30 day trial.

    Can this be done in VB?

    Thanks


    ------------------
    Robert Culver
    IT Student
    E-mail - [email protected]
    Web Page - http://www.visual-basic.org.uk

  2. #2
    Former Admin/Moderator MartinLiss's Avatar
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    Take a look at this chapter in a book by Dan Appleman



    ------------------
    Marty

  3. #3
    Junior Member
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    Jan 1999
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    I think many time limited approaches can be got round by re-setting the computers date and time.

  4. #4
    Hyperactive Member Juan Carlos Rey's Avatar
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    Search the net for a thing called "ActiveLock". It's cool!
    Active Lock lets you make Trials, Demos, CrippelWare, enable/disable features based on serial number, and is protected against changing system date.

  5. #5
    Fanatic Member r0ach's Avatar
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    ActiveLock can be found at http://www.insite.com.br/~nferraz/activelock/
    -- I'm prolly too late, huh?

    [This message has been edited by r0ach (edited 01-10-2000).]

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