Has anyone used the COM interop to acess .Net asseblies from an unmanaged
C++ application?
For various reasons we have a legacy VS 6.0 C++ application that we would
like to compile with VS .Net and without the /clr switch and using the COM

I have a legacy application that is being updated and we would like to
access and use the XML features available in the .Net framework. What is the
best method to use to get at the .Net classes. The application needs to
remain an unmanaged application due to the various 3rd party ...

I am trying to use LaunchRunner in Baf.dll, it's defined like this:
   BOOL CDECL LaunchRunner (LPCSTR szUserDisplay, BOOL* pbEnabled);
I'm trying to use it in a vb.net app but can't make it work.  Here are some
attempts I've made:

This is a very bizare problem.  So, I have a C# COM Add-in for Excel
which creates a toolbar, then pops-up meaningful windows when you
click the toolbar buttons.  Everything works fine the first time.
After that, my event handlers do not get called when I click the

Instaed of throwing all of my problems one-by-one I decided to put down what
I am trying to do and find out the best approach.
There is a common custom Interface that several apps use (these are written
in C++), we will call this interface ITestExec.  There is another

I am trying to call a C function from a dll. These function take a pointer
to a structure as a parameter. This structure is allocated into the unmanged
heap by the C function (it uses some malloc). I would like to know the best
way to release this memory . For the moment I have ...

i did the scanning application in VB using image scan & edit controls. But the same is not working in ASP. So i'm planning to do it in asp.net. if u have any solution please let me know.
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From: UmaMaheshwar Reddy
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   I have a library with some controls developed with VB.Net which I've
used for a while, now I've added an event to signal some data is changed,
but I can't find how to add event handler in the host application (VB6).
   I can see regasm has automatically added a method ...

Is there any way to receive the type of a Property of a
com object, with reflection.
What i know now is how to receive the value.
And what i need is the Type of the property.

The C DLL has the following declaration:
    ExternC int4 STDCALL func( char * ); // -> array of 32 byte strings
I can call it from C++ code using [this works!]:
    char str[32] = "My String";

I'm trying to define the following C++ shell struct in C# (see shtypes.h or
shtypes.idl):
typedef struct _SHITEMID {
   USHORT cb;

I have VS 2003 Enterprise Architect installed (7.1.2346)  but when I attempt
to install the Management (WMI) Extensions for VS .NET 2003 Server Explorer I
receive a message indicating that VS 2003 must be installed.  How do I get
around the error?

We used .NET EnterpriseServices Queued components in our application to for certain asynchronous processes (code fragments was attached)
However, we found out that the "Objects", "Activated" counts in the Component Services MMC are growing constantly.
The application is running on ...

I want to get the target and argument of a shell link in a C# project,
so that I need to use the shelllink interface but I do not know how to
do.
I added the shell32.dll into the reference and tried the

I have an COM Component ,which is responsible for taking the Data from DB ,
Generating the Excel and sending the Generated Excel File by mail to the user.
Note :The COM is registered on the system.  The COM is created in VB.
Now I m trying to access the COM From the Windows ...