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Then you want to create a Windows Service. The wizard inside VS.Net has a wizard for windows services, and that's a good place to start. You'll basically be creating a class that derives from System.ServiceProcess.ServiceBase. You'll also have to add an installer component (System.Configuration.Install.Installer) for your service and run "installutil" to get your service properly installed.
Services are not that hard to create, but they're a bit of a pain to debug. I recommend you find a good article on them somewhere to get started. A lot of people end up creating a class that they contain first in a normal console application for debugging purposes. They later contain that class in their service when they feel like it's been debugged a good amount.
Hope that helps a bit.
I, for one, do not think the problem was that the band was down. I think that the problem may have been that there was a Stonehenge monument on the stage that was in danger of being crushed by a dwarf.
-David St. Hubbins
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You can either install a shortcut into the All Users' or a specific user's Start Menu->Programs->Startup folder, or install a registry key into either HKEY_CURRENT_USER or HKEY_LOCAL_MACHINE under the key Software\Microsoft\Windows\CurrentVersion\Run.
-----BEGIN GEEK CODE BLOCK-----
Version: 3.21
GCS/G/MU d- s: a- C++++ UL@ P++(+++) L+(--) E--- W+++ N++ o+ K? w++++ O- M(+) V? PS-- PE Y++ PGP++ t++@ 5 X+++ R+@ tv+ b(-)>b++ DI++++ D+ G e++>+++ h---* r+++ y+++
-----END GEEK CODE BLOCK-----
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You could also open Regedit.exe.
Go to "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run".
Add a String Value.
Set it's name to whatever you want.
Let it's value point to the pad of the program you want to run. Enter something like: "c:\windows\explorer.exe ??" where ?? are optional commandline-arguments you would want to use.
While this key is originally designed for Win9x it should also work on XP. At least it works on my XP-version.
Of course you could also add such a value by using a .reg file or you could let the installer you use for deploying you application do this for you.
I'm not shure whether or not someone needs to log on first before the application gets started, but it works for all users.
I hope this helps. Roland.
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How can I define a static variable in a method for example like this:
private method()<br />
{<br />
static int c=0;<br />
c++;<br />
}
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You can't; it's not allowed in C#. (Anyone know why?) The workaround is to declare your static variable as a field.
static int c=0;<br />
<br />
private method()<br />
{<br />
c++;<br />
}
Regards,
Alvaro
He who laughs last, thinks slowest.
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Hmmm, the strange thing is that it's also not allowed in Java. I wonder if there's a correlation...
jparsons wrote:
it was a dumb idea and easily screwed up
I don't consider it a dumb idea. There are times when it's nice to hold on to a value that only applies to a specific method. The problem may lie in the fact that static variables are initialized only once, so they can cause confusion:
void foo()
{
static int n = 0;
...
}
When you see a method like that in C++, you need to keep in mind that the statement is only executed the first time the method is called. The casual (or careless) observer may not be aware of that, and erroneously think the method executes every time -- I'm pretty sure it's happened to me before  .
Regards,
Alvaro
He who laughs last, thinks slowest.
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You can't. Static variables belong to an entire class, not a method. To define a variable inside a static method, just leave out the word 'static'.
I remember programming in LotusScript, an old VB-based language. You could define a static function, and any variable declared in the function would be kept around for the next invocation of the function. C# doesn't work like that.
Regards,
Jeff Varszegi
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you must define the static as a field, now you get Compiler Error CS1525.
Try this:
static int c = 0;
private void method()
{
c++;
}
Regards,
Wernand.
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I'm creating a C# .net program which contains one .exe file and one .dll file.
I need to create an installer for this program to let the user install my program from for example a cd.
What is it I should do? I really have no idea. I know there is an installer class i .net but the documentation is terrible about how one uses it.
Could anyone point out what I need to do?
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The Installer class is different from an application installer. The class is for unit installations (like installing a control in the VS.NET toolbox) or custom actions.
To create an installation program for your application, add a new project to your solution in VS.NET and select "Setup and Deployment", then a Windows Installer project. It's pretty self-explanitory, but refer to the documentation if you have questions.
Keep in mind that this is a very lite version of a Windows Installer IDE and can only do basic things. For a professional package, try Wise for Windows Installer or InstallShield's version, which is much, much more expensive.
-----BEGIN GEEK CODE BLOCK-----
Version: 3.21
GCS/G/MU d- s: a- C++++ UL@ P++(+++) L+(--) E--- W+++ N++ o+ K? w++++ O- M(+) V? PS-- PE Y++ PGP++ t++@ 5 X+++ R+@ tv+ b(-)>b++ DI++++ D+ G e++>+++ h---* r+++ y+++
-----END GEEK CODE BLOCK-----
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You should add a setup project to your solution. You can also add Installer class to your main project for the custom actions during the setup. You can look up the msdn for further documentation.
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Hi All,
Excuse me for my bad English.
Who can tell me where I can found the constants needed to program win32 api within C#.
For example in the Win32 API reference, I found the following procedure:
<br />
AddFontResourceEx<br />
The AddFontResourceEx function adds the font resource from the specified file to the system. Fonts added with the AddFontResourceEx function can be marked as private and not enumerable.<br />
<br />
int AddFontResourceEx(<br />
LPCTSTR lpszFilename,
DWORD fl,
PVOID pdv
);<br />
Where fl stands for Flags used to define how the private font resource is loaded.
FR_PRIVATE
FR_NOT_ENUM
I can find in my books that these constants in C# corresponds with the flags:
<br />
public const Int32 FR_PRIVATE = 0x10;<br />
public const Int32 FR_NOT_ENUM = 0x20;<br />
But now my question.
Where can I find the values like 0x10, 0x20 or all the others?
I can't find it anywhere, who can help me with this.
Thanks and regards,
Wernand
The Netherlands
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I have found it on the msdn site from Microsoft.
You can simple search in C++ SDK with findstr you get then the values:
C:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\PlatformSDK\Include>findstr "FR_PRIVATE" *.h
WinGDI.h:#define FR_PRIVATE 0x10
C:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\PlatformSDK\Include>findstr "FR_NOT_ENUM" *.h
WinGDI.h:#define FR_NOT_ENUM 0x20
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Remember to just include the WinGDI.h in your program, and not to use the values directly.
Your English is very good by the way, probably better than most people's Dutch! (Zeker weten).
Ciao,
Pauwl
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Um, he's coding a C# app which doesn't use/understand include files. He has to define these (as consts, an enum, whatever) in his source.
-----BEGIN GEEK CODE BLOCK-----
Version: 3.21
GCS/G/MU d- s: a- C++++ UL@ P++(+++) L+(--) E--- W+++ N++ o+ K? w++++ O- M(+) V? PS-- PE Y++ PGP++ t++@ 5 X+++ R+@ tv+ b(-)>b++ DI++++ D+ G e++>+++ h---* r+++ y+++
-----END GEEK CODE BLOCK-----
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Try this site[^]
The examples are for VB, but I'm sure it wouldn't be too hard to translate it to C#.
"if you vote me down, I shall become more powerful than you can possibly imagine" - Michael P. Butler.
Support Bone
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Has anyone seen a bug in IE or IIS where you have a small image repeated a bunch of times in a page and it sometimes doesn't show up? Hitting refresh a few times seems to fix it. I've noticed this on several IIS based projects (asp.net and perl based) on different machines.
Todd Smith
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IMO its an IE bug, I get it alot. Perhaps due to the 2 "streams" limit, and IE asking for the same file multiple times.
It could also be people running IIS on WInXP SP1.
leppie::AllocCPArticle("Zee blog");
Seen on my Campus BBS: Linux is free...coz no-one wants to pay for it.
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IE 6.0 has a problem with its cache. Once it hits the configured limit, the indexing goes nuts and it can't find cached resources any more.
Empty Temporary Internet Files, and everything should work.
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Hi,
I need to write out a program that will change the time zone based the the nearest Domain Controller. Any ideas? Please help!!!
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I have several forms with controls, and I need to execute some lines of code only when I run my program. But I don't want that these lines are executed when I'm in Visual Studio and open the windows form file.
Thanks in advance.
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You can't explicitly detect Visual Studio, but you can detect whether there is a debugger attached.
See System.Diagnostics.Debugger.IsAttached.
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Take a look at the 'Component.DesignMode' property - that's probably what you want.
--
Russell Morris
"So, broccoli, mother says you're good for me... but I'm afraid I'm no good for you!" - Stewy
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