I am developing an application in C# using Microsoft visual studio .NET 2003.
Basically, I imported a com dll in my application by adding reference to the
COM dll.  The com event in the original dll has the following signature:
HSESULT AddModifyGroupIndication(

I need some help with the following:
Assume I have a dll that has a function MyStrcpy that does exactly the
same as strcpy. The dll was written in VS 6 C++. The project would look
like this something like:

I've got a com component which raise a 0x80040202 error when assigning an
delegate to his event.
It works well under XP not under w2k.I tried it on multiple machines and got
the same problem over and over.

We have a C# class library (with interfaces and classes dervied from them).
This is refernced in a VB6 application and everything is fine.
Currently if the library is modified, then VB6 reference to that library
needs to be changed and VB6 app needs to be rebuilt for changes to be ...

I am creating a new app in .NET (VS 2005, C#). A good amount of the
underlying code (structures, classes, etc) produced for this project
must also be accessible in old unmanaged apps (VS6, C++). Obviously, I
do not want to write seperate code for both apps. Note that I prefer to

I am developing a .NET 2003 app that reviews Word and Excel documents via a
third party component that does NOT require Word or Excel to be loaded on
the target system. However, we need to be able to retreive document
properties, such as Author, from the Word/Excel file that this ...

In other forms of BASIC and even other languages, we have been able to
read X byte fixed length records over a field record layout. It seems
very problematic in VB.NET.
What we are trying is to have a 750 element byte array into which we

we have a .net component that we want to call from a vb6 application.
The .net component doesn't have a strong name and we don't have the code
for the .net component.
Is there any way to call the .Net component from the vb6 application ?

I know to call .net code from COM you regasm the assembly and so on, butt...
I have a situation where I need to call a .Net assembly from VBScript.  The
problem is that the type I need to create does not have a default constructor,
and thefore is not exported by regasm.

hai groups...
Is CCW,RCW are same as the one in the surrogate process(DllHost.exe) ?
ie, there is wrappers like factory wrapper(IclassFactory) and ObJect
wrapper in the surrogate process...

As I understand, there are no PIAs from Microsoft for VBRUN or VBA (Correct
me if I am wrong).  What does MS suggest you do if you want to sign a VB
control instance via the aximp tool?  Is the suggestion to sign our own copy
of VBRUN and deploy it to the GAC for use by our ...

Hey guys,
I'm wrapping a C lib in C#. The C lib has a callback which I pass a C#
delegate, which passes me a struct, but the struct has fields in it that are
unions.

I'm exposing a simple VB.NET object for use by COM.
If I expose the class using the following attribute
System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.AutoDual)>
then in the .tlb file I get all the System.Object methods ...

I installed service pack 3 for Office XP a couple of days ago.
On my dev box when I opened up my application (which contains web controls
etc.) I got errors straight away. I got round the errors by changing a
couple of references relating to AxInterop.OWC10 and 11 (sorry for being ...

Does anyone know of a way (in .NET) to determine if a Word or Excel
file is currently locked for editing by another user BEFORE trying to
open it?
I am using the DsoFramer control to embed Word/Excel documents into my