(I am a novice with interop services so bear with me...)
I have a legacy C# application and am using VS2005 to generate a dll for it.
I want to make this available for COM access which requires, as I understand
it, invoking both gacutil and regasm. I am getting this error from ...

In the project I need to use Browser Helper Object (BHO) technology to
customize the ContextMenu events in the IE.
I have successfully written all the necessary logic to implement
IObjectWithSite and other required interfaces.

Does anyone know of a tool or procedure that will register an assembly
for COM Interop, just like regasm, except that it puts the generated
registry keys under HKEY_CURRENT_USER\Software\Classes?
In other words, I want to register an assembly for COM so that the

I installed Microsoft Office 2007 Primary Interop Assemblies to my WinXP
and after that I launched Visual Studio 2005.
I created a project but when I tried to add references to these assemblies I
didn't

 Does anyone know what conditions might make a COM component written
in C# to not load with a "Catastrophic Failure" error message?
 The odd thing is that everything works fine as a command-line
application, but when run under ISAPI in IIS the error occurs, even

I need to write a COM component in C# (VS 2005)
I created the C# class library project, marked it "Make Assemble COM
visible"
I set the assembly to be signed with a key file.

We try to access a third party Matlab dll (which was created using Matlab
COM Builder) from C#. It works fine when using strings and one-dimensional
arrays but fails with two-dimensional arrays. We give our example of the code
below:

Hopefully I can explain this well enough, and apologize if this is a trivial
matter. I've searched and couldn't find anything.
I needed to make some changes to a dot net application (framework 2.0). The
project has references set to some DLLs that reside in a subfolder (obj) of

i have the following function in my C library:
ham_status_t
ham_cursor_move(ham_cursor_t *cursor, ham_key_t *key,
       ham_record_t *record, ham_u32_t flags);

I'm using Marshal::StructureToPtr to well...marshal a struct over to
unmanaged memory and get its pointer.
Which method should I use to destroy the memory the pointer represents?  
Marshal.DestroyStructure or Marshal.FreehGlobal?  Does it matter?

Microsoft.Office.Interop.Excel.Workbook ExcelWorkbook =
ExcelWorkbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet);
this gives me the following error:
Old format or invalid type library. (Exception from HRESULT: 0x80028018

i want to use modi with ocr, but i have image in sql server, must i
save each image to call them like (c:\image1.tif) or can i use another
process.
Thanks

I have an unmanaged ActiveX control written in MFC. And using
CWinFormsControl<> template I am using a managed WinForms User Control
contained in this ActiveX control. Now I want to marshal interface of this
outer ActiveX control into the WinForms User Control and want to be able ...

I have to port some VBA Code to VB DotNet
The following code block defines several types in VBA.
Public Type ProbParamKind
 Na As Long

I posted this to the windowsforms group as well, but it may be
appropriate in this group as well.
In my Windows Forms app I'm opening an OpenFileDialog. This throws the
following exception because I have the MTAThread attribute on the Main