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.NET is a new framework or foundation that Microsoft have put together. To fully explain it would require at least 30 markerters so I recommend you visit MSDN and read up on it.
VS7 is now called VS.NET i.e. Visual Studio .Net. It is a development environment for creating .NET applications. Currently it is in Beta 2 stage and will be released in October (I have a case of beer resting on that!). Read up on it at Visual Studio.
regards,
Paul Watson
Bluegrass
Cape Town, South Africa
"We would accomplish many more things if we did not think of them as impossible."
- Chretien Malesherbes
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Hi there,
I am not very informed on .NET. I was wondering what will happen to MFC or
COM and DCOM and COM+ in .NET.
Will any of them be there when .NET comes
around?
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I'm not much informed either, but the current MSJ addresses this with an article on Interop - this is a Runtime Callable Wrapper that enables .NET based apps to access COM based stuff and vice versa.
I guess that covers COM+ and DCOM too. (Though I personally think COM is/was too COMplicated and this is yet another level of COMplexity added).
MFC survives as well - there's some changes to how things are written (more templated code) but I think the MFC stuff is 'off and to the side' in the .NET scheme of things. (Here's a tip though - test your CObList code for const correctness  )
Just 2 centavos worth...
oops
...did I say MSJ? I mean MSDN magazine...
oops 2
Arrgh - no - the RCW is from .NET to COM, and the COM-callable Wrapper (CCW) is from COM to .NET... sigh... its all too COMfusing...
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I have been trying to use classes from a managed dll (written with C#) from an MFC app using MFC 7. After resolving the problems compiler switches, I am left with the C3828 compile error on the line:
MyCSClass::CSClass *cs = new MyCSClass::CSClass();
Is is impossible to do this with MFC? Thanks in advance for any help.
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From a look at the docs, you might be ok in a release build.
VC won't allow placement new when creating instances of managed types - and the debug new operator, redefined to enable allocation tracking, runs afoul of this.
A work-around is to undef the new operator temporarily -
#pragma push_macro("new")
#undef new
...
#pragma pop_macro("new")
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I just downloaded CodeSwap, this Visual Studio .NET add-in. It's like Napster for code. I searched code using keywords and got small, simple samples that I could use. Pretty cool!
Anyone can post their code to this shared server. It has ratings and all the other things you'd expect.
Has anyone else checked it out? It's at www.vscodeswap.com.
Dave Murdock
Point Richmond, CA
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Wow. I had never heard of this b4. I cant speak of the quality of the code that has been uploaded because I havent searched too much. BUT....
This is just the coolest thing since sliced bread!
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When requesting a file from a http server the browser usualy send a GET/"the folder"/ HTTP/1.1 and some other stuff
i figured out the under pnm:// protocol it dose send a PNA message but that was as far as i could get dose anyone have any info on those two protocols the thing is i don't know how it requests the file ater the PNA message.
Would be really thankfull if anyone could give me something to start on.
thank you
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Hi 
I'm looking for "Microsoft Proxy Server" for Windows 2000 or NT
Buf I can't find it.
Please Help me to Do it.
My E-Mail is: ImanGh_IR@Yahoo.com
Iman Ghasr-e-fakhri
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Iman, (someone correct me if I am wrong), but Microsoft Proxy Server does not exist for Windows 2000. Rather it has been replaced by Internet Security and Acceleration Server. We are using ISA server at work and so far so good.
regards,
Paul Watson
Bluegrass
Cape Town, South Africa
"We would accomplish many more things if we did not think of them as impossible."
- Chretien Malesherbes
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Iman,
You can purchase Microsoft Proxy Server 2.0 if you need it for Windows NT. It has been renamed/improved for Windows 2000 and is now called Microsoft Internet Security and Acceleration Server (http://www.microsoft.com/ISAServer).
Cheers!
Colin Bowern, Consultant
Microsoft Services (Canada)
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.NET provides a DataGrid object that can be used to format data for WinForm applications. Unfourtunately it only supports 2 column type: TextBox and CheckBox.
I'd like to include the ComboBox, Button and Image controls. All I need to do is create a new class that inherits from DataGridColumnStyle. But this is not documented and seems to be a bit complicated.
Does anyone have experience with this sort of requirement?
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Is it possible to turn of this anoying new look, whats happend to the normal gray menus its all a bit overcolored i think...
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Right click on your desktop and choose the Windows Classic theme on the Theme tab.
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Hi,
What are the System Requirements to Implement and Test a Web Service?
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I am using SOAP Toolkit 2.0 SP2 on Windows NT 4.0. I built a VB 6.0 dll which has a simple com class 'TestObject' with a method of the following signature:
Public Function Test(ByVal strInput As String) As Long
I also created a web service for this dll. The problem is, if I call the method by creating the object directly (using VB script), it works fine. But if I call it through the SOAP interface (also using VB script), then it blows up with the following information:
Error: Invalid procedure call or argument: 'Test'
Code: 800A0005
Source: Microsoft VB script runtime error
I have added trace to my dll which shows that the method in the dll was executed with no problem. The problem only happens at the stage where the return value is assigned to a variable in the VB script. There is no error if I don't assign the return value to a variable.
By the way, there is no problem with the VB scripts I am using (they work fine on different machines).
Any idea what is wrong?
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Does anyone know how to use DotNet controls in a MFC app?
Thanks, Italo S Weiss
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Dear
I have a question about how to use attribute or element. Recently when I desige the XML data map, I am confusing that when should I attribute , when
should I use element. For example, I have "Login" root element. Inside the Login, I want to put username and password. So, Should I make an child
element "username" and "password"? Or should I put attribute "username" and "password" under the root element "Login"??
Well, it seems not much different between two. But in many case, I always think about Should I use this field for attribute or for child element? Is
there any general rules can help me to choose between attribute and element?
such as if the data size is large, we should use........etc
How does it affect the application performance?
regards
Davis
Davis Leung
Analyst Programmer
Fedex
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Hi,
I've been trying to raise an event in my Web Control which can b trapped by my client app and a certain action performed based on it.
But every time i run the page an error message saying "System.ArgumentNullException: An exception of type System.ArgumentNullException was thrown"
I am unable to figure out the reason for this error.
Cud someone please help me out with it..
Thanq
Rgds
Jayant Menon
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I have made a Jave Applet that can draw vector graph. I use it in HTML page
at Internet. I know that another way is I can developed a OCX control to do
this task. But the later's size is larger than Java Applet. Here has .NET,
extra choice. I want know if I write the control by C#(It is a .NET control),
what advantage I can get and what I lost?
Thank you.
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I have a IIS/ASP/SQL/COM web project which I inherited at work that uses a lot of "questionable" coding practices. I want to find better tools, programming practices, debugging methods, project management, etc. when dealing with IIS/ASP/SQL/COM. So I figured I'd see what .NET has to offer. However, I don't know where to start.
Can anyone point me in the direction of some good tutorials on getting started from the ground up with IIS/ASP/SQL/COM the .NET way?
thx
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Hi everyone,
I've got the following situation:
Multiple modules (Web Controls in fact) reside on the same web page. Each has some input fields that need to be checked before submitting. I tried to use those nice input validator controls of ASP.net as they can handle it.
However:
As I only can have one form-tag (that runs server-side) on a page, and nested forms dont work either, it occurs that I cannot sumit (or call a module's member function) without having filled out the fields of *both* modules. This isn't the expected behaviour, as the the user should be able to use one module independently of the other.
How can I trick the validators into that?
-Chris
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Well I finally managed to get VS .NET Beta 2 installed (not everyone has a gig free of space! ) and I eagerly loaded everything up only to discover the following error.
It appears when ever I attempt to view the Design tab in a project (i.e. Form1.vb [Design])
The error is:
An error occured while loading the document. Fix the error, and then try loading the document again. The error message follows:
File or assembly name EnvDTE, or one of its dependencies, was not found.
I searched MSDN and online for this error but could find very little reference to it.
Any help would be greatly appreciated, thank you.
regards,
Paul Watson
Cape Town, South Africa
e: paulmwatson@email.com
w: vergen.org
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Just for everyones info if you ever get that error I got above, do a fresh re-install. After I nuked my PC and then re-installed VS.Net Beta 2 things worked great. Just ensure you have plenty of free space, especially on your C: drive.
regards,
Paul Watson
Cape Town, South Africa
e: paulmwatson@email.com
w: vergen.org
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