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 Hi,
I am trying to use the picturebox to display some images. The source images are 16x16 icons and they look fine in designer mode when the picturebox is scaled up to 64x64.
However at runtime, the images get blocky and they appear not to have scaled properly to the new dimensions. I had seen an article on here at one time which outlined this problem but i can't seem to find it.
If anyone has any insite on this issue I would appreciate it.
Regards
Paul
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I recently had the need to stream data to a running application using anonymous pipes. I was very surprised to find it so hard in .NET!
I ended up using the "CreatePipe()" and "CloseHandle()" functions using "DllImport(kernel32.dll)".
Is there really no native support for pipes in the FCL?
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I'm an admitted "pipes" newbie; I've done some reading on named pipes, and that's about it. I think that MS is moving away from named pipes (which might not be the same thing you're talking about).
I'd normally use sockets or something else, but I realize you might not have that luxury. Are you saying that this application you had to interface with is not your own, which dictates the choice of pipes? If so, and there's no direct support, I feel for ya.
Regards,
Jeff Varszegi
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It's actually "anonymous pipes" I'm talking about (e.g., not "named pipes"). When you create an anonymous pipe, you get TWO handles - one you use on your side of the connection, the other you pass to the remote application. The pipe is "anonymous" in that there is no "name" for it - there is no need, as both sender and receiver can access it using the handles that are returned.
The application I'm interfacing with is Microsoft Flight Simulator 2002 (MSFS2k2). There is a facility built in to MSFS2k2 to send it a "Flight Video" by passing it a handle to an open file containing the video. By using an anonymous pipe, I can have one process create and send a video to MSFS2K in real-time. This is what I want to do.
I have it working now, but I sure am surprised if in fact MS.NET doesn't provide support for this - especially as it continues to be a necessary tool for interacting with MS products...
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I have this problem and I don't have any clue:
On a Win2K Advanced Server SP4 with Terminal Server I have installed the .NET Framework 1.1. I created a HelloWorld Console Application and installed it on this server. In the same folder I placed a textfile.
When I log on with a user account the Hello World app won't start. I don't see or hear anything! Not even error messages. I can access the folder and open the textfile. In the taskmanager I don't even see a process being created or something.
When I log on with an admin account it all works just fine!
I really don't know where to look for.
Why create waste if we throw it away, anyway?
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This sounds like a .Net security issue to me.
I had a similar problem running an application from a network drive.
When I did so, it did not work, when I ran it from the local drive, it worked fine.
I don't have any knowledge on the .Net security model yet, but maybe someone can point to a good resource on this, or eplain what could be happening?
Pauwl
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This was a tough search, but this KB article is the solution:
http://support.microsoft.com/default.aspx?scid=kb;en-us;821546
(Especially the part about Creat Global Objects)
grtz en thanx for spending time on this one...
Octavie
---------------------------------------------
Why create waste if we throw it away, anyway? 
---------------------------------------------
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Hello!
I want to implement simple COM object which will communicate with Oracle database somewhere on internet. It looks rather simple. But I have a possibility to use either C++ or C# technology. As I do not know C# very well: someone can help and put some comments - which technology would be simpler to write/manage ?
Or maybe there exists some ready-to-use sample? 
Thanks for help
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Five Steps to Rapid Development with TierDeveloper 3.0
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 Hello and hi
i have two word document files 1 and 2 in which
some text is written
i want to compare these words files(character by chracter)
and the result(difference) will stored in another word file 3.
so that at the last 3rd file contains the text of both first and 2nd file
and there difference is highlighted that following things are in 2nd file and not in ist file
Using VB 6.0
any helping material will also be appriciated
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Why not use the FC program from the command prompt? This will compare each file and you can even redirect the difference to another file. Example:
FC "C:\YourPath\File1.txt" "C:\SomeOtherPath\File2.txt" > difference.txt
Other possiblities articles on CP are:
Chris Maunder wrote: A better front end to WinDiff[^]
Stephane Rodriguez wrote : Diff tool[^]
-Nick Parker
DeveloperNotes.com
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Only problem is that Word files are binary files. He wants to compare the text content. When comparing text files, FC and WinDiff are very nice, but comparing binary files either produces unintelligible output that doesn't accurately reflect the differences in text content (due to various binary format issues).
As for the original poster, I've never seen anything that can do this, but you could check out office.microsoft.com and see if any of their partner companies have anything.
Other than that, next time you send a Word document out, turn change tracking on and you can compare and merge changes when the document returns to you.
-----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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Heath Stewart wrote:
Only problem is that Word files are binary files.
Another great reason for using XML as the data store in Word 2003.
-Nick Parker
DeveloperNotes.com
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In this case, someone should use the XML Diff tool from Microsoft (little known utility). Due to various whitespace problems and the fact that attributes can be unordered, it is better than simply doing a text diff because it canonicalizes the data before diff'ing it. I don't remember where to find it, but a search on MS's web site should reveal it's location (if it still exists as a project).
If nothing else, Nick, I think I have a copy lying somewhere around the office you could grab.
-----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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Ali-imran wrote:
Using VB 6.0
Ok, if you must use VB 6.0, it appears that this is level of control is built into the Microsoft Word Object Library. You can read a quick article here[^]. If you want to do something in .NET, check the Office Primary Interop Assemblies[^]. HTH
-Nick Parker
DeveloperNotes.com
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Hi,
it must be me, but I cannot get my .net application working on any machines other than the one I developed it on.
The trouble started when I started using the OLEDB ADO.Net stuff. Since then, the application doesn't even load, and complains about unhandled exception error.
I've installed Framework 1.1, but still no joy.
What am I forgetting to do?
Pauwl
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update your Microsoft Data Access Component? (MDAC)
Although I think .NET framework has it.
Sonork 100.41263:Anthony_Yio
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Pauwll wrote:
Since then, the application doesn't even load, and complains about unhandled exception error.
You might want to find out what the error is. I guess you probably don't have the .NET SDK installed on that machine, so you can't use a debugger. But at least you can do a catch-all try-catch block and show a messagebox or something with the error info. Then post it here, and we might be able to help you.
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Did you add your connection string as a configurable option? This is what the <appSettings> section of your application configuration file (yourappname.exe.config) is for. When you move it to a different machine with a database of its own, change the connection string. If you are using a secure RDBMS and itnegrated security, make sure the user has permissions to access the RDBMS.
-----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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The application works fine on my other development machine, so it's not the connection string.
When CATCHing the error, I get "Object reference not set to an instance of an object".
Doesn't tell me much.
I noticed the same with an application I'd made using ChartFX for .Net as well. I'd forgotten to distribute the required ChartFX DLL as well. I'm not using any strange ones though in this project, and as mentioned, the problems started happening when I started using the System.Data.OleDB stuff.
Any ideas anyone?
Pauwl
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Here's a thought...debug your application!
Put a breakpoint at the top of your try block and step through the code in your debugger. After all, debugging your app is just as important in the development cycle. Look at each reference while stepping through and figure out what's null and on which line the exception is thrown.
And the redistribution of the .NET framework has nothing to do with it. It's the same on every machine, except some things are not supported on Windows (only Windows NT) because of the underlying OS. Anything in System.Data.OleDb should be fine because there's nothing OS-specific, but make sure you're running the right version of the .NET Framework on both machines because the various framework versions (i.e., 1.0, 1.1, etc.) are not 100% backward and forward compatible.
-----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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Heath,
funny thing is, when I run the application on a machine with a debugger - no problem.
we have 2 development machines, and 2 test machines.
We've just re-installed one development machine with Win2K. The other has XP on it.
The test machines are Win2K and XP as well.
If I run the application on either of the development machines, no problem. As soon as I move to one of the test machines (which have Framework 1.1 isntalled, and as far as I can see, exactly the same DLL's as the development machines), it stops working.
Other .Net apps I create work fine, but just as soon as I have something use the System.Data stuff, it no longer works. Strange. Have tried moving the DLL's over as well.
I'll make a sample app, and post the whole code, see if anyone can reproduce it.
thanks,
Pauwl
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Do you run the test machines under different credentials while using integrated security on the RDBMS? Did you check the code access security policies (with the Microsoft .NET Framework Configuration tool in Administrative Tools)?
It could also be that the computer itself has different restrictions according to a domain policy. I know I don't let our test bay have the same privileges as the development machines on our little network.
There's obviously a reason for it, but the framework has nothing to do with it. Something that's affecting the functionality of the framework (i.e., user permissions, code access policies, or domain restrictions) is at fault. The framework will work the same from computer to computer without such things in place. That's kind of the whole idea of a unified framework as opposed to all sorts of DLL versions in DLL hell.
-----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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This means your're creating an object using some API and it's returning a null. You're then trying to access properties or methods on this object.
I'd take a look at the StackTrace property of the exception and display that in your messagebox (or however you're displaying what you have above). That should give you the line number etc. (at least on a debug version of the code, not sure on release actually).
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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