>Remember that on OS version 2 and 1 the automatic power off is normally
>done under interrupt and not with autoOffChr.
Are you sure about OS v2? I have several apps that detect the autoOffChr
and work fine on OS2.x devices.
I would also update the screen on a nilEvent. You won't need to look for the
autoOffChar if you update your display every few seconds.
-----Original Message-----
From: Alex Robinson <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Tuesday, May 18, 1999 5:27 PM
Subject: Re: Best way to detect poweron while in app.
>Chris Faherty wrote:
>>
>> I'm just wrapping up a datebook/todo viewer. If the device turns on I
need
>> to detect it so that I can update the display to the correct day. This
is
>> assuming that the device went to sleep with my application running.
>>
>> The way I am currently doing it is by testing for hardPowerChr and
autoOffChr
>> *after* the SysHandleEvent() call. It is my understanding that the
device
>> goes to sleep in SysHandleEvent() such that I will not detect the
>> hardPowerChr or autoOffChr until it wakes up again. Kind of a backwards
way
>> of testing for poweron, but I can't figure out a better way.
>>
>> The drawback of this is that even if the device wakes because of another
hard
>> button, I will still get the hardPowerChr or autoOffChr that put it to
sleep
>> originally. I suppose that is an advantage if the device wakes due to an
>> alarm.
>>
>> Anyhow, is there a preferred way to tell inside my EventLoop() if the
device
>> has just awakened via the power button?
>>
>> /* Chris Faherty <[EMAIL PROTECTED]>, finger for PGP */
>
>Chris,
>
>Remember that on OS version 2 and 1 the automatic power off is normally
>done under interrupt and not with autoOffChr.
>
>You might keep the time/date display up to date by asking for events
>every 30 seconds or so. OS V 3 allows you to put that timeout in the
>call to EvtGetEvent(). Older OS's, I've observed, require -1 for the
>timeout and your own logic to filter nilEvent's.
>
>Alex Robinson
>[EMAIL PROTECTED]
>
>-eom-
>
>
