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  • Setting my Application to Expire After Thirty Days

    Setting my Application to Expire After Thirty Days

    Setting my Application to Expire After Thirty Days

    Document ID: IR10061
    The information in this article applies to:
    • AutoPlay Media Studio 5.0 Standard Edition
    • AutoPlay Media Studio 5.0 Professional Edition

    SUMMARY

    This article describes how to set your application to expire after thirty days.

    DISCUSSION

    To make your application expire after thirty days, store the date the program was first run in the registry, and every consecutive time that the program is run, compare the registry to the expiry date (30 days after your program was first installed).

    To accomplish this, insert the following code into the On Startup event of your project:

    days_left = 30;
    date_installed = Application.LoadValue("My Application", "Date Installed");
    date_installed = String.ToNumber(date_installed);
    time_limit = 30; --the length of the trial period, in days
    if date_installed == 0 then
    Application.SaveValue("My Application", "Date Installed", System.GetDate(DATE_FMT_JULIAN));
    else
    days_left = (date_installed + time_limit) - System.GetDate(DATE_FMT_JULIAN);
    end

    if days_left < 1 then
    Dialog.Message("Trial Period Over", "This software has expired");
    Application.Exit();
    else
    Dialog.Message("Trial Period", "You have "..days_left.." days left in your trial period.");
    end

    MORE INFORMATION

    For more information please see the following topics in the AutoPlay Media Studio 5.0 help file:

    • Program Reference | Actions | Application | Application.LoadValue
    • Program Reference | Actions | Application | Application.SaveValue
    • Program Reference | Actions | System | System.GetDate

    KEYWORDS: AutoPlay Media Studio 5.0, Expire, Trial, Version


    Last reviewed: October 1, 2003
    Copyright © 2003 Indigo Rose Corporation. All rights reserved.
    Last edited by Desmond; 12-01-2003, 04:24 PM.
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