I'm having difficulties passing data back to managed class from my
native class when the data is generated from within a native thread in
the native class itself. I will give the following runtime error,
" Attempting to call into managed code without transitioning out first.

Please advise, why does
   MessageBox(NULL, textBox1.Text, "Error", MB_OK)
work fine in VB
but

I've developed a COM DLL in Visual C++ to generate a digital signature based on a certificate read from a PFX file.
This DLL is used in a classic ASP webapplication to digitally sign a XML message before sending it to another party.
To process the PFX file I use the CryptoAPI ...

I am investigating the upgrade of a VC++ 6 project to build in VS 2005.
There is a compiler error in one of the MFC files - afxcomctl32.inl.
The message is: error C2065: 'afxComCtlWrapper' : undeclared identifier.
The odd thing is that if I hover over afxComCtlWrapper in the source ...

when i doing this:
pin_ptr<A> pA = gcnew A; // assume A is a ref class
i'll get many compiler errors.
does anyone know how to do it correctly?

hi, to get the bytes sent by a socket, in VB a simple local variable like
below was used
Dim recv as Byte()
how can i do that in C++...this is what i am trying now

We just switched from vs 2003 to vs 2005. We have a large number of
projects in the solution. So to make it easier on everyone we use file
references instead of project references. The biggest issue so far that
I have with 2005 is that if file references are used then the "Go to

Hi ,
I'm a newbe to programming and have a small question:
I made a small program with a class. in the class's header file I have

I have a .Net solution that contains multiple projects of both Managed
C++ and C#.
There are references in one Managed C++ project's classes to classes in
another Managed C++ project.

New to the groups, sorry if this the wrong forum/etiquette. I am coding
a c++ application that requires the use of a timer-triggered event
handler. I decided to use the timer provided in System::Timers::Timer.
My understanding of the next part is not very good, as my code may

I'm quite sure this could start a lot of arguements :p.
If i am creating a log file that is constantly added to during the
lifetime of my program, is it best to have a permanent Streamwriter
object that i write to and then flush after each comment, or to spawn a

I have a relatively simple application that I'm trying to migrate from
VS2003 to VS2005.  The problem I'm having is that after compiling with
VS2005, it won't run on any system that doesn't have VS2005 installed.
I'm sure there are just some libraries that get installed with VS2005

Hi. It's late, my eyes and brain are both seizing up and i'm quite
surprised my fingers are still working!
Can anyone tell my what i am doing wrong here?
System::String* sTest = S"this.is.really.annoying.me";

does anybody have any idea how to (in C++) establish new VPN connection (or
modify older) in windows xp (it means define connection, all its seting and
then define new users)?
thanks for any help!

I have the source code of a DLL compiled on VS2003 with .NET 1.1.
I am trying to convert it to .NET 2.0 with VS2005.
Apparently, many issues with mixed mode dll's have been fixed with
VS2005 but I still do not understand what is happening.