Re: Net Send & Screensavers?
From: Rob Stow (read.my.sigfile@sk.sympatico.ca)
Date: 09/04/02
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Date: Wed, 04 Sep 2002 08:14:29 -0600 From: Rob Stow <read.my.sigfile@sk.sympatico.ca>
A. Tolga KILINĒ wrote:
> Hi Rob,
>
> is what you mention also true for screensavers protected with a password?
> Then it must enter the password for the user or kill itself when it detects
> a pop up even it is password protected.
When I tackled this issue a few years ago, if the screen saver
could not terminate itself because the server/workstation
was locked, then the screensaver just changed its appearance:
it went from a blank screen to a message alerting the user
that he needed to unlock the system and investigate the new
window that had popped up.
> Secondly, is this true only for net send or any kind of popup alerts
> appearing on the screen?
I know you can watch for net send because I have done that in
the past - but I did it by watching for the message at the
network level rather than looking at the desktop to see what
was there.
However, even though the desktop doesn't redraw itself when
the screensaver is running, you *should* still be able to simply
periodically enumerate the windows that *would* be on the
desktop and watch for changes in that enumeration.
The only way to be sure is either trial and error or to
ask someone who knows more than I do on this topic.
> There may be a more complex task such that: first a normal screen saver
> operates, when an alert comes it terminates itself and executes the
> microsoft clear screen saver, this way you can see the alerts, and still
> have a screensaver (protection)
> Please comment more on this if you have better suggestions.
Do you have an URL where I can get this MicroSoft "Clear screen saver" ?
I have heard of it but never seen it personally. My first
guess would be that it merely shows you an image of what
the desktop looked like at the time the screensaver started
but does not update that image. The desktop does not get
redrawn while the scr.saver is running, so I don't see how
it can present you with an up-to-date image ? But then again,
MicroSoft has a long history of doing things that are impossible
for guys like me simply because they don't tell anyone else
about many API functions - such as possibly one that can force
the desktop to redraw even if the scr.saver is running.
Hell, maybe there is a non-hidden way to force the desktop to
redraw and I simply don't know about it. I looked for such
a thing a few years ago, but just because I didn't find it
doesn't mean it isn't there for more knowledgeable programmers.
If you can, for example, see the taskbar clock updating while
the clear screensaver is running, then your idea merits further
investigation.
> Thanks.
> Tolga
>
> "Rob Stow" <read.my.sigfile@sk.sympatico.ca> wrote in message
> news:OGyTdj9UCHA.1644@tkmsftngp08...
>
>>Todd J Heron wrote:
>>
>>>No.
>>
>>But any good windows programmer shouldn't have much of a
>>problem creating a screensaver for you that watches for
>>a net send message and terminates itself accordingly.
>>
>>Rob
>>
>>
>>
>>>--
>>>Todd J Heron
>>>todd_heron @ hotmail dot com
>>>
>>>
>>>"David Jenkins" <david.jenkins@cmg.co.nz> wrote in message
>>>news:#yV3bptUCHA.3016@tkmsftngp13...
>>>
>>>
>>>>Is it possible to modify NT Wks and Win2kpro regs so that a net send
>>>
>>>message
>>>
>>>
>>>>will override the workstation screensaver?
>>>>
>>>>TIA
>>>>
>>>>
>>>
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