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When you post tags in angled brackets (i.e., HTML or XML), you need to encode them (ex: < == <), or check "Do not treat <'s as HTML tags" below.
You should read Specifying an Assembly's Location[^], as well as How the Runtime Locates Assemblies[^]. The first link discusses how to use the <probing> element to specify the probing path, while the second is a general article discussing how the CLR locates assemblies (and in what order directories are checked).
Also make sure that your .config file is named the same as your application (libraries using the defualt loader do not read from their own .config files - only the AppDomain into which they're loaded) and in the same directory. So, if your application is named myapp.exe, then your configuration file should be named myapp.exe.config and be in the same directory as your application.
This posting is provided "AS IS" with no warranties, and confers no rights.
Software Design Engineer
Developer Division Sustained Engineering
Microsoft
[My Articles]
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Thank you for the answere.
Config file is named TestAsm.exe.config (application is TestAsm.exe):
<configuration>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<probing privatePath="testdir"/>
</assemblyBinding>
</runtime>
</configuration>
"testdir" is the subdir of the directory where TestAsm.exe is located.
And one more question - why config file disappear every time I compile the application?
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If you have a file named app.config in your project, this is renamed appropriately and copied to the target directory. If you don't, it may be deleted since target files are deleted when you rebuild. I recommend adding an app.config to our project and specifying your settings in that.
If you're debugging your application from Visual Studio, understand that your application is actually run from the target directory underneath obj, not bin (ex: obj\Debug, not bin\Debug). So, if you're copying your dependent assembly to bin\Debug\testdir, it won't be found if you're running the application - attaching the debugger or not - from Visual Studio. You need to place it in obj\Debug\testdir.
This posting is provided "AS IS" with no warranties, and confers no rights.
Software Design Engineer
Developer Division Sustained Engineering
Microsoft
[My Articles]
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I added TestAsm.exe.config file to the project but it doesn't work. "subdir" is placed both in obj and bin directory. All I get:
LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind).
LOG: Post-policy reference: TestSer
LOG: Attempting download of new URL file:///C:/SOFT/C#/samples/TestAsm/TestAsm/bin/Debug/TestSer.DLL.
LOG: Attempting download of new URL file:///C:/SOFT/C#/samples/TestAsm/TestAsm/bin/Debug/TestSer/TestSer.DLL.
LOG: Attempting download of new URL file:///C:/SOFT/C#/samples/TestAsm/TestAsm/bin/Debug/TestSer.EXE.
LOG: Attempting download of new URL file:///C:/SOFT/C#/samples/TestAsm/TestAsm/bin/Debug/TestSer/TestSer.EXE.
Thank you
Oleg Chebotar
www.gelosoft.com
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I said you add a file named app.config (exactly that name) to your project, and it will get renamed accordingly. If you run the application using Vs.NET, it runs from obj. If you simply launch your application you typically do it from bin. Whatever is fine so long as the correctly named file (not adding a file named app.config will not move it correctly - actually, not at all) is present in the right directory.
This posting is provided "AS IS" with no warranties, and confers no rights.
Software Design Engineer
Developer Division Sustained Engineering
Microsoft
[My Articles]
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Thanks a lot!
It works.
Oleg Chebotar
www.gelosoft.com
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Heath Stewart wrote:
If you're debugging your application from Visual Studio, understand that your application is actually run from the target directory underneath obj, not bin (ex: obj\Debug, not bin\Debug).
I've always known Visual Studio to run the app from bin\debug. In fact, the debug output clearly states that the .exe is being loaded from the bin\Debug path. Did I misunderstand your statement?
Charlie
if(!curlies){ return; }
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Hey,
This is driving me up the wall!
Some one please help,please please!
Heres the situation
I have a set of 3 grids.
They bind correctly as follows
//Parent Grid
dataGrid1.DataSource=parent;
//Child Grid
dataGrid2.DataSource=parent;
dataGrid2.DataMember="Parent.Child";
//Grand Child Grid
dataGrid3.DataSource=parent;
dataGrid3.DataMember="Parent.ChildToGrandChild";
The relation works beautifully.Been working for months now.
Here is the issue:
I have to filter out data in the child grid ie dataGrid2, which in turn will affect dataGrid3 which is fine.
I have tried using the RowFilter property of the DefaultView exposed by the DataTable, but to no avail. Filter does not take effect and it renders all the rows.
These are the methods i have tried.
1. ((System.Data.DataTable) dataGrid2.DataSource).ChildRelations["Parent.Child"].ChildTable.DefaultView.RowFilter = " [FilterMeNow] = '1'";
does not work.
2. I tried setting up the filter before establishing the databinding but after the relation is set, again it wont work.
e.g. patient.DataSet.Tables[1].DefaultView.RowFilter="[FilterMeNow]= '1'";
dataGrid2.DataSource=patient;
dataGrid.DataMember="Parent.ToChild";
3. Googling it leads to me to think setting the row filter is the way to go....but nothing seems to happen. Though it works for me when i am using it on a single non-relationed datagrid.
I know RowFilter works because I have been using it for single grid all year long.
So how do i go about using it in master-child relation datagrid.
Am I just supposed to refresh the grids after they are bound, resulting in the row filter to take affect. If so, how?
Desperate plead other wise i will have to write 2 procedures, one with filtered data and one without filtered data. which to me seems absolutely horrendous, kind of defeating the whole purpose of the row filter functionality. so please rescue me from this !
Frusturated Looney Tunezez
Cheers!
<bold>Looney Tunezez
"If you build it....
.....BUGS will come!" -JB
Application.Run(new Form1(this.Dispose())); <--WHAT :wtf::confused::eek:
"Stability. What an interesting concept" - Chris Maunder
<bold>
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I'm trying to make a program to read images from a zip, then display them. The problem is that...the way I create the instance of the zipfile makes it so no other function can access the instance. I wouldnt want to create a new instance and memorystream for each image. I don't know what to do :\ Here is some code snippiets:
------------------------------------------------
public void ShowImage(int theNum)
{
AbstractFile imageFile = zip.GetFile(zipFiles[num]);
if (imageFile.Exists)
{
using( Stream stImage = imageFile.OpenRead() )
{
pbMain.Image = Image.FromStream(stImage);
}
}
}
-----------------------------------------------
public void OpenZip(string archive)
{
ZipArchive zip = new ZipArchive( new DiskFile( archive ) );
MemoryFolder folder = new MemoryFolder( "RAM_Drive", "folder" );
zip.CopyFilesTo(folder, true, true);
int x = 0;
foreach ( AbstractFile f in folder.GetFiles(true, new NameFilter("*.jpg|*.jpeg|*.bmp|*.gif|*.png")))
{
zipFiles[x] = f.Name;
x += 1;
}
}
-------------------------------------------------------------
if ( sExt == "zip")
{
OpenZip(sFull);
ShowImage(num);
}
How can I access the zip instance from the ShowImage() function?  Thx for the help.
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you could try using the singleton pattern. Have an external singleton class hold the instance of open zip file, access the instance from both functions.
class ZipHolder
{
private ZipHolder()
{
}
private ZipArchive zip = null;
public ZipHolder Instance = new ZipHolder();
public void Open(string name)
{
zip = new ZipArchive(name);
....
}
public ZipArchive Zip
{
get { return zip; }
}
}
you can then access the Open thus:
ZipHolder.Instance.Open("myzip.zip");
and the open zip file by
ZipHolder.Instance.Zip.<exposed function="" method="" etc.="">
Gary
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Thanks for the help  However...when I try using the code I get this error:
'mrmanga.ZipHolder.ZipHolder()' is inaccessible due to its protection level
Any idea?
--- edit ---
Also, when i try making ZipHolder() public, I get this:
An unhandled exception of type 'System.StackOverflowException' occurred in mrmanga.exe
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Hi,
Sorry I wasn't clear, and I think it lost some of the information I added in a tag.
Ok.
To open the zip file
ZipHolder.Instance.Open("zipfile.zip");
To access the instance of ZipArchive (held inside the ZipHolder)
public void ShowImage(int theNum)
{
AbstractFile imageFile = ZipHolder.Instance.Zip.GetFile(zipFiles[num]);
if (imageFile.Exists)
{
using( Stream stImage = imageFile.OpenRead() )
{
pbMain.Image = Image.FromStream(stImage);
}
}
}
etc..
Gary
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! Ahh worked like a charm! Took me a little modding (had to throw in a static, and change string to abstractfile) but sure enough, it works I can't thank you enough. Thanks ^^
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I write these every day and still forgot the static in the example
Gary
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Can anybody please help? Developed code WinXP SP2, works as expected when built as Debug or Release. Distribute to WinME partition - if 'filename' exists works, if it doesn't the new file is written to C:\windows\temporary internet files\ . Doesn't seem quite right! Significant Code (condensed!) is: -
// filename is path\newbak.cfg
string oldfile = filename;
oldfile = oldfile.Replace(".cfg",".old");
if (File.Exists(oldfile)) File.Delete(oldfile);
if (File.Exists(filename)) File.Move(filename,oldfile);
FileStream stream = new FileStream(filename, FileMode.OpenOrCreate, FileAccess.Write);
StreamWriter swr = new StreamWriter(stream);
swr.WriteLine(this.Title); // etcetera........
swr.Close();
stream.Close();
66 year young - or old and past it whichever! c# newbie.
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What is the working directory of the application? I.e., is this an executable that is deployed using touchless deployment (launched from a browser)? By default, the application - like every other file you view in a browser - is downloaded to the temp. Internet files folder and executed. The working directory would be that directory unless you override it.
Also, a better way to deal with writing to streams is using the using block. This ensures that even if an exception occurs, the file handle (the native handle) is closed and you don't run into problems. Like so:
using (FileStream stream = new FileStream(filename, FileMode.OpenOrCreate, FileAccess.Write))
{
using (StreamWriter swr = new StreamWriter(stream))
{
swr.WriteLine(this.Title);
swr.Flush();
}
}This will dispose of the stream, which also closes the file handle. I don't remember if it is flushed in Dispose or not, but it doesn't hurt to call Flush anyway to make sure your writes are committed and not droped before the file handle is closed (loss of data).
This posting is provided "AS IS" with no warranties, and confers no rights.
Software Design Engineer
Developer Division Sustained Engineering
Microsoft
[My Articles]
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Thanks Heath - I hadn't met the 'in code' use of 'using', and will (later) amend my code - your comments are 100% accepted. However, I believe that there is an underlying problem. The program is a Windows Executable, and is installed to c:\newbak in windows ME. I run the program from the desktop shortcut set up (correctly) by the install. The code used to invoke the file write is in only one place:
string workdir = System.IO.Directory.GetCurrentDirectory();
tempcfg.tofile(workdir + "\\newbak.cfg");
I changed to use the explicit path when I got my problem - in .net debug, it works perfectly with the default! I accept that there is a better way to code the file write, but the .net calls were lifted from a SAMS VB .net 2003, and I assume that an explicit streamwriter close would include a flush. That the code behaves strangely:
If c:\newbak\newbak.cfg exists, 'renames' it to .old and then creates a new c:\newbak\newbak.cfg (as expected).
If c:\newbak\newbak.cfg DOESN'T exist, it writes c:\windows\temporary internet files\newbak.cfg.
The only differencein the code flow is that the 'rename' code is not executed in the second case.
My 40 years in IT, and my not having gainful employment at present, means I will continue to convince myself the .NET is better than Borland C++ Builder (garlic out now!), and re-run with messageboxes at strategic locations. Of course, I have PROBABLY done something stupid and if so I will own up. Any other advice gratefully received.
Thanks again
Graham
66 year young - or old and past it whichever! c# newbie.
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The actual code would be helpful. Many times people post "similar" code that doesn't contain the actual problem.
This posting is provided "AS IS" with no warranties, and confers no rights.
Software Design Engineer
Developer Division Sustained Engineering
Microsoft
[My Articles]
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Thanks again - will email the code.
Further info:
1) Windows ME - With MessageBox displays - everything works, without them NO FILES WRITTEN anywhere at all at all! Using 'using' construct had no effect.
2) Deploy to Windows XP test partition - everything works!
Graham
66 year young - or old and past it whichever! c# newbie.
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Further to the discussion with Heath, I have done a lot of extra testing, in principle looking for the minimum set of code that still upsets Windows ME. Since the code is developed in Windows XP, this obviosly involves a lot of reboots! The tests were inconclusive until ME advised me that the last several executions had resulted in the OS going into standbye - did I want this to stop?
With Power Options all off - everything works perfectly!!!
Seems that anybody distibuting to Win98/ME may need a health warning about Power Options?
66 year young - or old and past it whichever! c# newbie.
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Using: VS 2003
How do I bind a vScrollBar to a datagrid so the grid moves vertically when the user slides the control/pad. My datagrid gives the hScrollBar by default. Control docking is done through VS
this.dataGrid.Controls.Add(vScrollBar1); this.vScrollBar1.Visible = true;
this.vScrollBar1.Show();
Thanks
Steve
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Hello,
i've setup a simple chat program using the Socket class with Async send and receive. All work good but i cant find an event that from the Server application warn it that a socket connection with a client is disconnected from the client itself. I can send a "disconnection" message from the client before closing the application but it doesnt work if for some kind of problem the program terminates (networking problems, crash of the computer, etc).
Thanks in advance for any ideas
Gian
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There is no event that's fired when the client crashes. There is no way for the server to know that the client crashed unless it attempts to send something to the client. Only then will the server be able to detect the send failure and raise it's own event to the remaining clients.
A way around this might be to implement a "heartbeat". Either the server would send out a "ping" to all of the clients requiring the clients to send the data in the ping back to the server or the clients would have to send "heartbeat" packets to the server. Either method would have to be on a set time, say once every 10 seconds. If the heartbeat or ping is no longer detected after a specified timeout value, say 30 seconds, then the server can assume that the client is no longer functional and raise its own event that notifies the remaining clients.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Hi
i have make an windows services in c# ... the code is running ok ... there is no error in that .... in my code i am trying to hook the keyboard and save all the pressed keys in a txt file ... on services start it has to make a txt file and when the service stop it has to make one more txt file but on start it is not meaking any file but on stop it is meaking a file ... i don't know what is the problem with it ... i can send you my code if you can solve my this problem ... ok seea byee
waiting for a flash reply ...
Maz.
Mazhar Hussain
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You might want to double check the code that is opening and writing that first file. Maybe your handling and burying an expection that is being returned when the file is opened. You might want to check the Event Log for any errors and you might want to modifiy your code to report any handled exceptions to the Event Log to make it easier to debug your service.
You can check out Debugging Windows Service Applications[^] on MSDN for more information.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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