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1994-04-09
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R E G U S E R
v1.0
DISCLAIMER:
===========
This utility mucks with the registry and as such can do great harm to your NT
setup if not used with care, perhaps even rendering your system unbootable.
While I have made every attempt to verify the correct operation of this
utility, I will not accept any responsibility for damages done to your
hardware, software, or phyche as the result of using this utility or software
based on this utility -- the user will accept all responsibility for any
undesirable effects of this utility. Fair enough? If not, remove this utility
from your system.
Why So Serious?
===============
The disclaimer above is so serious because the registry is to NT what our
long term memory is to us. If you twiddle the wrong bits in either one, you
could do serious damage. So please, becareful with this utility.
What's It For?
==============
As the author of PTerm, I came to a point when I decided to add the ability
for PTerm to play a wav file when finished uploading or downloading. At first
I was going to design a dialog box which the user could pop up to set the
sounds s/he wanted played. Then one day I was in the control panel 'Sound'
applet when I noticed that there were two application entries which the user
could set sounds for (in addition to the system sound entries), one for MS
Mail and one for Schedule+.
I started thinking that it would be nice if I could add a couple of fairly
generic entries in there for PTerm, one for a completed download, and one for
a completed upload. I looked in the registry for where the list of sounds
were kept and figured out the format. I then went looking for a small utility
which I could place in a batch file to automatically add the new entries in a
users registry -- there were none, at least none which I could figure out how
to use.
I didn't want to leave the user to starting up REGEDT32 and mucking around
with that, so I wrote Reguser. Its called RegUSER because it can only be used
to add/change registry values in the HKEY_CURRENT_USER tree.
Operation
=========
Since we have been talking about its use for PTerm, I will continue with that
line of thought and use it as the example.
Ok, we see that in the HKEY_CURRENT_USER tree there is a path to the sounds
called:
Control Panel\Sounds
We would like to add a couple of values to this key, one called
AppDownloadCompleted and AppUploadCompleted. The format of these values is
REG_SZ, which means they are zero terminated strings. This brings up an
important limitation of Reguser -- it can only add/modify values of type
REG_SZ. If you try and change a value which is not REG_SZ, changes are
Reguser will change the type to REG_SZ and this will cause you grief.
The exact format for a sound entry is:
Control Panel\Sounds\SoundValueIdentifier = sound.wav,List Entry String
Lets look at an example, like the sound played when new MS Mail arrives:
Control Panel\Sounds\MailBeep = ding.wav,New Mail Notification
Alright, "MailBeep" is the the identifier which MS Mail will use to retrieve
the sound to play when new mail arrives. "ding.wav" is what the sound is
currently set to. "New Mail Notification" is the string which shows up in the
list box when the control panel "Sound" applet is run.
With that in mind, here are the command lines for adding the two values we
need for PTerm's sound support, setting the sound to none for now:
reguser "Control Panel\Sound" AppDownloadCompleted "<none>,Download Completed"
reguser "Control Panel\Sound" AppUploadComplete" "<none>,Upload Completed"
You can see that Reguser takes three parameters -- the path to the key for
which a value is to be changed/added, the name of the value to add/change,
and what to set the value to. Note that anytime one of the parameters needs
special characters like spaces, angle brackets or commas, you must enclose
the entire parameter in double quotes.
After executing these two commands the user can fire up Control Panel and
open the Sound applet, and s/he will see in the list of available sounds to
set both "Download Completed" and "Upload Completed" which they can change
from "<none>" to be any sound on their system.
If Reguser is successful in adding/changing the value it will indicate as
such, otherwise it will indicate an error.
Source Code
===========
The source for this utility is included in RGUSRSRC.ZIP. If you make any
enchancements to Reguser, please send me a copy, and try to retain backward
compatibility if possible (i.e. keep the first 3 parameters the same for
instance).
Where Is Me?
============
I can be reached via email at:
urjc!rjc@pcg.com
rjc@pcg.com
rjc@infograph.com
roncox@inidrect.com
71722.3175@compuserve.com
Feel free to email me anytime...
Have fun, and for cryin' out loud, becareful!
Ron Cox