I have created a MFC ActiveX OCX, using VC++ 7.0, which contains a dialog. I
have embeded another user created control (this was created with VB6). This
VB6 control exposes 2 functions. I would like some help on how to call these
functions from my MFC OCX (say on a button click ...

I am trying to create an managed wrapper but have some problems with it by
using abstract classes.
In my unmanaged library code i had the following three classes with the
following hierarchy

I'm looking for the VC++.NET equivalent of "unsafe" instruction.
unsafe is a VC#.NET instruction
Thanks

I have a situation where I have a vector<gcroot<ManagedWrapperClass*> >
whose contents I need to pass to an unmanaged function.  Is there a way
to pin all the pointers in the vector for that function?  I tried to
copy the vector into another vector with a pinned pointer type, but ...

How do I set the default location to "My Computer" when using the
GetOpenFileName call?
I have tried the following but CSIDL_DRIVES doesn't appear to work.  Any
ideas?

Please excuse this elementary question...but I am just dumb....
I have taken a simplistic Dialog Box and added a Progress Control.
When I did that, my Dialog Box was no longer able to intialize using the
DialogBox macro.

I'm currently wrapping my "legacy" COM component with a managed layer, to
create a dual-mode component.  The structure is very like the JrnlPost
sample and the "Exploring COM Interoperability with ATL and Managed
Extensions for C++" walkthrough.

When we have a TcpClient or TcpServer or UdpClient, receiving data and then processing
them inside an infinite loop, inside a method executed by a Thread, I assume that the data
being received while the previous data are processed inside the loop, are queued or
something and are ...

Is there any program which analyzes C++ source files and generates Managed
C++ files which wraps the original C++ source files? For example, generating
a __gc class for each C++ class?
Please reply. Thanks in advance.

I am trying to create an Managed C++ Wrapper around an unmanaged library
which contains C++ code.
Some of the unmanaged methods returns an returntype which is of the abstract
base type (for example unmanagedObject). How can i convert this to the

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From: Tejas Nandarshi
please tell me the difference between managed and unmanaged code in vc++.net application.

when I compile my program I get "fatal error C1506: unrecoverable block
scoping error". Can anyone tell me why? Thank you very much in advance.
namespace unManaged
{

Hi all I hope in an answer that could help me about my problem.
I'm creating a GUI in Visual C++ .NET and I'd like to split the "Spin
Control" in two buttons, has someone some ideas to do this?
The normal spin control

This code don't affich the image
pictureBox1->Image->FromFile("c:\\image.jpg");
c:\image.jpg exists.
Please, can you help me?

I've read about a new free technology named "LayerD", and it's impresive
compared to .NET or Java, it's not only really multiplatform, with this
technology you can make programs in an object oriented paradigm and the
Aspect Oriented Paradigm (AOP), what is more you can make your ...