In years passed I recall learning that there is a way for unmanaged
code to setting up an applicatoin context in a different directory.
The goal is to enable the users to write their own .net modules that
my program will load and call.  I just cannot figure out what I should

When I use the following structure at the Load event I get a type load
exception.
[StructLayout(LayoutKind.Explicit)]
public struct TempStruct

I would like to attach to a running excel application.
What I would like to do is presenting the user a list of excel applications
that are currently visible. The user will specify one of these application
which will be the target for some data that will be exported from my ...

I am trying to return the variant type vbEmpty from a .NET .dll to
Classic ASP but it is not working correctly.  Here is the code that I
am using...
In C#:

I have developed a .net dll which using COM interops interface.
I developed and VB6 application to utilize the dll file. It is working fine
when testing in Windows XP.
After that, I tested the application in NT4 workstation, it prompts thtat

I am a new guy in C#.
I try to pass a struct with a point to a mfc dll. But I am failed. Anybody
knows what I must do?
The following is my code:

We're having some trouble getting our .NET 2.0 application working with an
ActiveX control.  We're using the RTList control
(http://www.xyris.com/products/rtlist.htm).  I've created the interop
assemblies using aximp.  It appears that we're communicating with the control

Hi, I'm experiencing some kind of thread behavior problem in a WinForms app
in Vb.Net 2.0.
Actually I'm doing some huge interop using DirectShow to interact with my
miniDV camera.

I am trying to call an old Delphi .dll
// DELPHI definition (should return an array of 256 chars)
function DiskSaveFooter(missionname,qlffilename,id:pchar):TCharArray; export;
// My C# definition

I am using the DSOFramer Control to display Office Documents in a Windows App
per the instructions of Mr. Clement.  Although it has made several things
easier, I am still having troubles finding documentation over two specific
issues.  

When I load my VS2003 program to VS2005 environment, I received the following
error during Form loading.  I am trying to find a right COM for the following
type.  Any help will be greatly appreciated. thanks!
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I'm using a ATL ActiveX on a C# windows form (Visual studio 2005).
That works great. However, I wanted to create a C# user control which
would wrap this ActiveX. Therefore I created an empty user control and
just put this ActiveX on it. No problem so far.

I am attempting to incorporate a 3rd party DLL that is unmanged into my
managed project. The problem as you might have guess is regarding getting a
callback to occur. The one big problem is that I don't have access to either
the code or the developer at this point hence my ...

I am trying to write a utility that will go through all of my COM
dll's that I am using in my .NET app and update the Interop wrappers
for them.  To do this, I am using tlbimp and have done everything I
want with only one problem.  Some of my COM dlls reference other COM

Could somebody point me to some sample code to call a .NET from MFC
(no managed extensions please) ? I understand that this involves using
COM Interop but a complete example will be a great help because I
believe there has to be some additional plumbing on the .NET side.