Here is the scenario I'm trying to make work.
I've got 2 managed C++ classes, each of which wrappes an unmanaged C++
class, kind of like so:
__nogc class UnmanagedClassA

How can I change the default number of char the caret will move in a
multiline TextBox control when a Tab char (\t) is written.
Hugo

I need to pass managed String from to C-style APIs. I see I can use
Marshal::StringToXXX functions. Is this the best we have? I understand
this will allocate a new string and create copy of my String. I want to
pass it as constant (LPCWSTR). I don't need allocation and copying,

I am trying to create a dll with an embedded class that I create from my
/exe, this is no problem, but I also want to have a RT_RCDATA resource
embedded in the dll that can be accessed from the .exe so what I am
lookingto do is create a kind of hybird resource dll / extension dll ...

How can I write a function like this:
BSTR Greeting(BSTR name)
{
    //return "Good Morning : " +  name ;

All:
I recently had to include a common header file into a straight C (.c file).
This header file contains a function prototype that has a default argument.
For example

I am new to C++ and need urgent help with this part of my code for a
uni coursework I have to submit by Thursday
//ClientData.h
#ifndef CLIENTDATA_H

I am new to C++ and need urgent help with this part of my code for a
uni coursework I have to submit by Thursday
//ClientData.h
#ifndef CLIENTDATA_H

Im trying to call my .net c# library  functions from my unmanaged
vc++(dialog based MFC)
application .
From that application i want add the event handler for the event generated

I have a project that uses both managed C# and an unmanaged COM object.  I
would like to know the best way to transfer large chunks of data between the
two?  I have a continuous stream of BYTE arrays that are on average 4k in
size that I need to move from the COM object to C# as ...

I am wrapping a digital camera API using Managed C++ VS .NET 2003). I
have this function that called as bellow in the API sample.
err  = PR_RC_StartViewFinder(    m_hCamera,  //line 1
        (prContext)this,  //line 2

Hi,
I have a few C BER coding that I would like to compile into a C++ Class
library project and then use it in my C# windows application.  Can I do that
from C# using pinvoke?  If not then does anyone how can I call these

I want to build an ActiveX control using C++
Does anyone have a link that can serve as a tutorial - a how to guide?
Basically, I need to know how I may add properties, methods and events,
and how I can pass data in the raised events.

Okay, this is a pretty basic question. I've created a static library
using c++. Now, I've started a vb.net project. How do I reference the
functions in the static library? I'm using Visual Studio 2005.
I.E., how do I add the library to the project, and call it's functions?

Lets say I write this line:
BSTR b = m_pdoc->Getxml ();
where m_pdoc is MSXML2::IXMLDOMDocumentPtr.
Now "b" contains the xml text. When I exit the function in which this line