Windows Service - Visual Basic .NET

Stanley

Hi everyone! I can create Windows Service in VB .Net 2003 professional.
The problem is that when I try to show up a form in Service Start up
event, the form always show up and become stop responsible! Any idea?

Regards,
Stanley

Nov 21 '05 #1

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4006

Ray Cassick

Do not show forms from a service. Services should never interact with the
desktop.
"Stanley" <xs******@gmail.com> wrote in message
news:11**********************@g47g2000cwa.googlegr oups.com...

Hi everyone! I can create Windows Service in VB .Net 2003 professional.
The problem is that when I try to show up a form in Service Start up
event, the form always show up and become stop responsible! Any idea?

Regards,
Stanley

Nov 21 '05 #2

Stanley

Thanks for reply! You mean that it's not impossible to make a windows
service interact with desktop?? I don't think so! Please help to with
the code, I think it's possible!!

Thanks again!

Nov 21 '05 #3

Thorsten Doerfler

Stanley schrieb:

Thanks for reply! You mean that it's not impossible to make a windows
service interact with desktop?? I don't think so! Please help to with
the code, I think it's possible!!

It's possible, but it's bad design. Services can interact with the
desktop, but to do so, they have to run with the LocalSystem-Account.
This one can do everything with your system. The service window will
be shown at the users desktop and so, it can receive window messages
as any other desktop window. This can be used to attack the users PC.
Also, if your service runs under WinXP with fast user switching, the
service window will only be shown to the first logged on user.

The better approach is a separate client application, which runs with
user privileges and connects to your service through TCP-Sockets for
example.

Thorsten Dörfler
--
vb-hellfire - einfach anders
http://www.vb-hellfire.de/

Nov 21 '05 #4

Herfried K. Wagner [MVP]

"Stanley" <xs******@gmail.com> schrieb:

I can create Windows Service in VB .Net 2003 professional.
The problem is that when I try to show up a form in Service Start up
event, the form always show up and become stop responsible!

In addition to the other replies:

<URL:http://www.google.to/groups?selm=%249uYzKMtEHA.2896%40cpmsftngxa06.phx. gbl>

--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://classicvb.org/petition/>

Nov 21 '05 #5

Stanley

Ok, thanks all! ;-)

Nov 21 '05 #6

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