[AccessD] Demo To Run for 30 Days

The date.  I store the date, not the state.  The date.

Rocky

----- Original Message ----- 
From: "Rocky Smolin - Beach Access Software" <bchacc at san.rr.com>
To: "Access Developers discussion and problem solving" 
<accessd at databaseadvisors.com>
Sent: Tuesday, July 26, 2005 10:17 AM
Subject: Re: [AccessD] Demo To Run for 30 Days


>I store the state each time they start the system.  If the system date is 
>ever earlier than the last time they started it (indicating that they moved 
>the system date back to try to get a few more days' use) I give them a 
>message that says they need to adjust the clock in the computer and quit 
>the app.
>
> Rocky
>
> ----- Original Message ----- 
> From: "Josh McFarlane" <darsant at gmail.com>
> To: "Access Developers discussion and problem solving" 
> <accessd at databaseadvisors.com>
> Sent: Tuesday, July 26, 2005 8:12 AM
> Subject: Re: [AccessD] Demo To Run for 30 Days
>
>
>> On 7/26/05, paul.hartland at fsmail.net <paul.hartland at fsmail.net> wrote:
>>> What I tend to do is when they first open the application, store the 
>>> system date and calculate 30 days in advance and also store this, then 
>>> you just check the stored date which is 30 days in advance each time 
>>> they open the app, if you check a stored date against system date, they 
>>> can always keep changing the date on their machine can't they ?
>>>
>>> Paul Hartland
>>
>> The optimum solution I can think of is to have the two fields you
>> mentioned, and use them as sort of a between statement in which it can
>> run. First time the program opens, it sets both dates.
>>
>> Next time the user opens the application, first it checks to make sure
>> the current date is between those dates, and if it is, it updates the
>> current system date with the new value. This way, the date window that
>> the program can be opened in slowly expires as time progresses.
>>
>> If the user sets their computer to day X  time Y after they got the
>> App but before their last use time,  the start time is already after
>> the current time, and the program cannot open.
>>
>> -- 
>> Josh McFarlane
>> "Peace cannot be kept by force. It can only be achieved by 
>> understanding."
>> -Albert Einstein
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>
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