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Hi,
your usage of BeginInvoke doesn't say that your log method is only called by on thread at a time. You have to lock it instead:
'class variable
Private objMyLock As Object = New Object()
Public Sub LogSafe()
SyncLock objMyLock
'Do your logging here
'Once one thread has passed SyncLock all next threads
'will stop there until this thread has exited the block.
End SyncLock
End Sub
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Hi
yes you are right it didn't work on one thread
so I used monitor.enter and monitor.exit instead.
Thank you
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Hi all,
i am new to .net. could anyone help me to learn about the programming fundamentals of vc++ .net in visual studio 2005.If it is possible send some tutorial link and sample simple programs in vc++ .net..
thanks in advance..
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You should find several tutorials here in codeproject. Do you specifically want to do .NET development in C++ or any kind of development, e.g., MFC, ATL, in VC++?
You can look here:
http://www.codeproject.com/managedcpp/[^]
Kevin
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hi,
At this time i'm ready to do the OCR project based on CLR in vc++. But, my code snippet giving an error when the c++/clr compile the particular line....
void Form1::SOCR_Click(System::Object^ sender, System::EventArgs^ e)<br />
{<br />
int i,j,k;<br />
String^ fName = "Citi.tif";<br />
MODI::Document^ doc = gcnew MODI::DocumentClass(); <br />
doc->Create(fName);<br />
doc->OCR(MODI::MiLANGUAGES::miLANG_SYSDEFAULT,true,true);<br />
<br />
for(i=0; i < doc->Images->Count; i++)<br />
{<br />
MODI::Image^ img =(MODI::Image) doc->Images[i];<br />
}<br />
<br />
}
where,
Image - Interface class
The Error is...
Error 1 error C3149: 'MODI::Image' : cannot use this type here without a top-level '^'
please help me...
thanks in advance...
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I'm not familiar with C++/CLI but as Christian says below you may be better off attempting this in C#. However, you might have more luck posting this question in the C++/CLI forum.
Kevin
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C# is a better language to use to learn .NET
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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Forgive me if I sound ignorant
But the main difference between Visual Studio and Visual Studio .NET
Is the formaer user SDK for Windows Interface while the Latter .NET
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Yes, basically.
Trinity: Neo... nobody has ever done this before.
Neo: That's why it's going to work.
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One more question If I want to learn .net pogramming would the academic version of Visual Studio be good enough or Should I purchase the Porfessional Edition
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It all depends on your needs. If you are just learning how to use a language and/or .Net, then I would suggest the Express version. Here is a comparison chart if you need it:
Visual Studio Comparison Chart
Trinity: Neo... nobody has ever done this before.
Neo: That's why it's going to work.
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I have Visual Studio Team Edition for SoftWare Developers but that isn't the same as Visual Studio .NET
Why would it have a different name
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Everything is Visual Studio. There are just different editions, e.g., VS Standard, VS Pro, VS Team Edition for developers, which is what you have. VS .NET was just the name for the 2002 and 2003 versions.
Kevin
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So If I have Visual Studio Team Edition for SOftware Developers I can projects that use the .NET interface as opposed to MFC ???
Probably could mix it up to whitin one solution
Thankx ???
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You can have several .NET projects in one solution. And you can add MFC projects as well, if you like.
Kevin
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I use academic standard which I recieved from academicsuperstore.com for $50. Academic professional was released shortly after I bought academic standard for $100. If you can afford it I would ge the professional, but I have no problems using VS.NET 2003 Academic Professional, and VS.NET 2005 Academic Standard.
Regards,
Thomas Stockwell
Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning.
Visit my homepage Oracle Studios[ ^]
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I have Visual Studio Team Edition for Software Developers seems I can develop .NET applications with it Just wondering how this flavor (VIsual Studio .NET) is different then Visual Studio T.E.
thankx
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They are the same. When .NET first came out in 2001/2 the product was called Visual Studio .NET. When .NET 2.0 was released they called the product just Visual Studio 2005. The next one will be Visual Studio 2008.
Kevin
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ForNow wrote: Forgive me if I sound ignorant
There is nothing wrong in this query in anyway.
ForNow wrote: But the main difference between Visual Studio and Visual Studio .NET
You can check out this URL for a comprehensive discussion on all versions of Visual Studio: http://msdn2.microsoft.com/en-us/vstudio/default.aspx[^]
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Ok First let me say I appreciate you saying that is as I am quite new to this platform
My Background is MainFrame Assembler internals
based on what u just said I'll ask another question this regarding C++
Why is the big advantage of using drived classes as opossed to have 2 seprate Class Declarations eg.
MYClass : CSsting
as opossed to
CLass MYClass
{
.
.
.
}
CLass CSstring
{
.
.
.
}
Is it that in the first case CLass MYClass can access the protected members of CSsting
thankx
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I have this code that a friend helped me with.
Dim di As New DirectoryInfo(MapPath("~/uploaded/agenda"))
Dim fiArr As FileInfo() = di.GetFiles()
repeater_agenda.DataSource = fiArr
''loop through briefings directory
'rptdirectory.DataSource = IO.Directory.GetFiles(MapPath("~/resources"))
Me.repeater_agenda.DataBind()
It will read the directory and list the files in that directory just fine. But when I click on the file I want to read the url comes back - https://wwwmil.4af.afrc.af.mil/resources/AFTP%20System.doc and I get a page not found error.
I am new to this and am totally lost. Could somebody help me pls?
Lonnie R Thomas
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I am guessing that you need to do a server.urlDecode() This will properly translate all of the escaped characters so that a valid url. Or you may want to change your doc names so they don't have characters in them that need to be escaped. Anyway, that is my guess as to what is wrong.
Ben
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