Prevent running the same program twice or more + some other..

Hi All,
I'm trying to figure out how to do the following
1) How can I prevent a user from running the same program more than once.
2)If a user try to shut down the computer while my program is running, I need to trap it down and save some data before terminating the program, how can I do it?
Can any one help me???
thanks a lot in advance!

Don't [url http://forum.java.sun.com/thread.jspa?threadID=699067]cross post.
Answers in the other post please.

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Dim pList As System.Diagnostics.Process
retval = 0
PTRName = "F:\myprogram.exe"
If My.Computer.FileSystem.FileExists(PTRName) Then
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I have created a program which:
opens a file
reads the records and massages the records
writes the records to a new file
Launches a program that uses the resultant file.
The program was written on Windows xp MCE using Visual Studio 10. The resulting program works fine.
I places The executable and the input file onto a flashdrive, and then tested it on other machines.
Two of the machines are both Win 7 Pro 64bit with .Net 4. On one machine it works great. On the other I get a "File not found" error when starting the second process. This is the failing code:
The problem is with the Shell command. When I rewrite it as:
it works on both machines
So my question is: Why does exactly the same code (The same flashdrive was used on both machines) work on one machine and not the other (when both machenes appear to be at the same level)?
In both cases I verify the file exists in the correct place before I try to start it.
Any help would be appreciated.
Thanks in advance
   John

The use of F is just an example. I use:
OutputPath = My.Application.Info.DirectoryPath 'Where app is run from (root)
    'Make sure the path ends in \
    If VB.Right(OutputPath, 1) <> "\" Then
      OutputPath = OutputPath & "\"
    End If
to get the correct information.
Then
PTRName = OutputPath & "myprogram.exe"
BTW "myprogram.exe" is not the correct name it is just an example.
Sorry if this caused confusion
However all of this is not the point. If:
My.Computer.FileSystem.FileExists(PTRName)
is true then the file is in the right place. Therefore:
Retval = Shell(PTRName,4)
must also work. However it does not on some machines.
Is the problem in .Net, VB or VS because it is not in my code.
I have also used a routine similar to you (in VB6) to find a particular volume, but used the volume label. That worked better in my case.
John

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Jianhui

<quote>
Further more, it seems :P1_NAME in the same subquery is not working for the chart, i get xml parsing errors in SVGviewer, however the same query works for the spread sheet area, I am really puzzeled. Not sure whether it's dumb tool or dumb me :-)
</quote>
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Hi,
Apple and I are already well acquainted. You are currently taking my money while I am downloading Lost. Why does my buying login not work for discussions? With a single mouse click I can buy programs or songs. It takes thousands to get to support. As a customer service, please fix this egregious bug and tell your support hand what your revenue hand is doing.
Please don't double charge me for the same program. I downloaded Lost's second season, first episode to see if I liked it. I do like it and have decided to download the entire season. Please don't make me download 23 individual episodes to iTunes (at much greater cost) when you already know that I have purchased the first one (your spell checker objects to iTunes???). I am downloading into your I tunes program so you should be able to recognize that it is already there, paid for and licensed.
Once you have read a news paper, you either put the remains in your bird cage or recycle it. It would be unconscionable to charge for 2 copies of the same paper. Please fix this revenue enhancing bug (?).
Thirdly, please give preferential downloading speed to the first program downloaded when downloading an entire season. Don't make your paying customers wait for 3 program downloads before being able to view the first one.
Fourthly, please establish a [email protected] email address and add a link for it to your support web page. Stop making disappointed customers waste time wading through your labyrinthine and duplicate login procedures.
Cordially,
BrianP
Godzilla Windows XP Pro noyfb
Godzilla Windows XP Pro
Godzilla Windows XP Pro noyfb

First, we're pretty much all just your fellow users here. Feedback to Apple should be send through the appropriate feedback page.
Second, the pricing policies are mostly under the control of the content owners. They are almost certainly the ones that don't want to allow for credit for parts of a season pass already purchased. So your complaint is probably best directed to the networks.
Once you have read a news paper, you either put the remains in your bird cage or recycle it. It would be unconscionable to charge for 2 copies of the same paper. Please fix this revenue enhancing bug (?).
Buy an issue or two of a newpaper or magazine off the newstand. Decide you like it and want to subscribe. Ask the newspaper or magazine for credit for the issues you already bought. What results do you get?
Third, support for the iTunes Store is easily found, with a maximum of just four mouse clicks. Select the iTunes Service and Support under the iTunes Help menu. Click the " iTunes Store Support" link. Select the appropriate topic (which may take an extra mouse click to select the appropriat tab first). You'll find a web form at the bottom of each of those pages through which you can contact the iTunes Store customer service group. Or click on the Support tab at the top of every Apple web page. Select "iTunes + iPod". Select "iTunes Store". You'll be in the same place as above. Pretty simple, IMHO.
Finally, I had no problems using my iTunes ID (which is not the same as the ID I use here on a daily basis) to set up my access to the Discussions. It took all of two minutes and a few keystrokes. So I'm not sure what you found to be so onerous. But again, if you feel it was a problem, use the feedback link I posted above.
Message was edited by: Dave Sawyer

Re: Running the same (Forte) application multiple times -for different

Hi
We had the same problem - how to deploy a number of identical applications, using each their own db.
(for training).
The solution we used is to wrap the entire application into different applications by using a very small
module called KURSUS01, KURSUS02 etc, that did nothing but call the start procedure of the main app.
Then in the dbsession connect, we made a call appname to get the application name, and appended the
first 8 chars to the dbname. Thus our dbnames now points to logicals name: rdbdataKURSUS01, rdbdataKURSUS02 etc.
All this allows us to deploy the identical apps in the same env, or change one version, and run both the old
and new program on the same pc and server at the same time (eg. KURSUS01 and KURSUS02).
I also think this is a kludge - but it works nicely!
Jens Chr
KAD/Denmark
-----Original Message-----
From: Haben, Dirk <[email protected]>
To: 'Soapbox Forte Users' <[email protected]>
Date: 15. januar 1999 09:41
Subject: Running the same (Forte) application multiple times - for different business clients.
Hi All
We have a number of different business clients all willing to use our
application.
The (forte) application is to run on our machines etc for these (business)
clients.
All (business) clients will have their data kept in separate Oracle DBs
(instance).
The problem now is that the entire (forte) application is written using
DBSessions.
Now, depending on what business client needs to be serviced (so to speak) we
need to attach to the right DB - or use the "right" SO.
The two options we can think of are:
Option1:
Programatic change to somehow "know" what (business) client (DB) I'm talking
about and then use the right DB.
Pro:
Only one forte environment to maintain
Can run multiple (business) clients on same PC at the same time
Con:
Requires many program changes
bending O-O rules(?)
can't dynamically name SOs so can it be done at all? (ResourceMGRs maybe?)
Option2:
Use separate environments! One for each business client.
Pro:
More defined separation of app and data,
SLA-easy
Con:
Maintain "n" number of environments
Can only run the application for one environment (business client) at a time
on one PC - Big Negative here!
Not knowing any feasible solution to option 1 (without much code changes and
developer moaning) I would go for option two; as I have already worked on
multi-environment setups on VMS back at the Hydro (hi guys).
I would appreciate any comments from anyone who has solved this problem.
How, Why Pro Con etc.
TIA,
Dirk Haben
Perth, WA
To unsubscribe, email '[email protected]' with
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'unsubscribe forte-users' as the body of the message.
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Hi
We had the same problem - how to deploy a number of identical applications, using each their own db.
(for training).
The solution we used is to wrap the entire application into different applications by using a very small
module called KURSUS01, KURSUS02 etc, that did nothing but call the start procedure of the main app.
Then in the dbsession connect, we made a call appname to get the application name, and appended the
first 8 chars to the dbname. Thus our dbnames now points to logicals name: rdbdataKURSUS01, rdbdataKURSUS02 etc.
All this allows us to deploy the identical apps in the same env, or change one version, and run both the old
and new program on the same pc and server at the same time (eg. KURSUS01 and KURSUS02).
I also think this is a kludge - but it works nicely!
Jens Chr
KAD/Denmark
-----Original Message-----
From: Haben, Dirk <[email protected]>
To: 'Soapbox Forte Users' <[email protected]>
Date: 15. januar 1999 09:41
Subject: Running the same (Forte) application multiple times - for different business clients.
Hi All
We have a number of different business clients all willing to use our
application.
The (forte) application is to run on our machines etc for these (business)
clients.
All (business) clients will have their data kept in separate Oracle DBs
(instance).
The problem now is that the entire (forte) application is written using
DBSessions.
Now, depending on what business client needs to be serviced (so to speak) we
need to attach to the right DB - or use the "right" SO.
The two options we can think of are:
Option1:
Programatic change to somehow "know" what (business) client (DB) I'm talking
about and then use the right DB.
Pro:
Only one forte environment to maintain
Can run multiple (business) clients on same PC at the same time
Con:
Requires many program changes
bending O-O rules(?)
can't dynamically name SOs so can it be done at all? (ResourceMGRs maybe?)
Option2:
Use separate environments! One for each business client.
Pro:
More defined separation of app and data,
SLA-easy
Con:
Maintain "n" number of environments
Can only run the application for one environment (business client) at a time
on one PC - Big Negative here!
Not knowing any feasible solution to option 1 (without much code changes and
developer moaning) I would go for option two; as I have already worked on
multi-environment setups on VMS back at the Hydro (hi guys).
I would appreciate any comments from anyone who has solved this problem.
How, Why Pro Con etc.
TIA,
Dirk Haben
Perth, WA
To unsubscribe, email '[email protected]' with
'unsubscribe forte-users' as the body of the message.
Searchable thread archive <URL:http://pinehurst.sageit.com/listarchive/>
To unsubscribe, email '[email protected]' with
'unsubscribe forte-users' as the body of the message.
Searchable thread archive <URL:http://pinehurst.sageit.com/listarchive/>

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