I have a large MFC ATL EXE built with C++ 8, and now I am compiling with
/clr to enable C++ interop - i.e. accesing .NET components directly in the
same executable as the unmanaged code from MFC/ATL.
When I compile I get a series of warnings and would like to know if they are

I've got a .net function within a comclass project that needs to return
an array of strings to a VB6 app.  I declare the .net function as Array
but what comes back to the VB6 is a text string that says
"System.String[]".  Any ideas how I can resolve that?

I'm attempting to call a unmanaged function that returns a char *,
something like:
mylibrary.c:
static char err[256];

I'm attempting to have a MTS VB COM DLL make a call to a C# .net DLL.
My problem lies with the .net DLL accessing config values in
machine.config:
strIP =

We have a set of C# classes with their interfaces exposed to COM:
   MatrixUInt16 : IMatrixUInt16
   MatrixUInt32 : IMatrixUInt32
   MatrixInt16 : IMatrixInt16

We're C# .NET developers who must use an ActiveX container (not IE) to
create and contain our components. We'd like both the component and the
client to be C# .NET code.
But, it appears that you cannot do this. To do this, the RCW of my

Hey there,
I have a C# .NET class that contains some functionality that is used in
a hybrid Classic ASP /ASP.NET site (we are doing a conversion to .NET).
Part of my class functionality (written in c#) needs to be accessable

I tried to make COM callable wrapper (CCW) for SMO using the following
command line execution using RegASM.exe
After executing the command line RegAsm.exe, I got the following output.

I have a C++ API method in a COM object:
HRESULT GetReason([out] VARIANT* pReason);
pReason is a variable created by the C++ and is preferrably (but not always)
a BStr.

I wonder if you can help....
I have a C# client that calls into an unmanaged C++ DLL. The call never
returns due to what appears to be a multi-threading issue.....
To complete the API request, the unmanaged DLL requires to create a second

Pls help me  to solve this problem .
 /* --this is one of the function in COM component */
int   ProjectLIsts(LPCTSTR prj , VARIANT* prj_list)
{

Have a VB .Net VS2005 application works fine on development system.
The app uses Excel.
When I copy app to new computer that has Office loaded get error:
Unhandled exception has occurred...

I have a interesting problem and thought this would the right forum for
it.
Background:
We have created a series of new generation middleware components using

There was an old thread with this same subject:
http://groups.google.com/group/microsoft.public.dotnet.framework.interop/browse_
thread/thread/a6f451e1677943c3/06fafc27f869273e?q=mshtml+htmlformelement+events&
rnum=1#06fafc27f869273e
Which addressed mshtml's inability to bind to a ...

Im trying to fetch a Drop-event, and everything goes fine until I call the
"GetData" method.
Ive tried both to catch the drop with defining FormatEtc to a CF_HDROP and
iterating Formats with "EnumFormatEtc" both returns same error...