I am facing a problem using Delphi 5 here.
I used tlbexp.exe to export Type Library file from .net assembly.
With the ***.tlb file, i tried to import into delphi and install it on the
component palette. The following errors shown:-

I've got an OCX written in VB6 that has been successfully wrapped in a .NET
user control (in C#) using COM interop.
The OCX exposes a method for going off to a database and populating itself.
If anything goes wrong in this process it raises an event (using RaiseEvent),

I am using tlbimp.exe to create managed wrappers around some COM objects.  
Suppose I have an interface IFoo, and a second interface IBar whose methods
contain IFoo parameters.  I am finding that if I add a coclass, CFoo, that
implements IFoo, to my type library, tlbimp.exe ...

I created ActiveX control using .NET. This control has to use a method
from DLL written in managed C++. I can define reference to this DLL,
can succesfully compile and link the whole project, but when I try to
run the control using ActiveX control test container it cannot see

I'm trying to make my own ValueType in C#, i need to call this from COM so i
need to expose it.
When i'm trying to assign it from COM it says "Incompatible types: FinVal
and Integer"

I created a .NET-DLL and it should be called from a VB6 - program.
I created key.snk file added the path to the assemblyInfo-file, I gave a
GUID to all public classes, I created a tlb and ran gacutil. Also I see it
under windows/assembly! Although when running VB 6 that calls the ...

I have this simple class and interface:
<ProgId("Interop.MyTest"), _
Guid("ADA40E6A-9FD6-49da-8855-0DF9ECA1BF0F"), _
ClassInterface(ClassInterfaceType.None)> _

I have created a simple background thread to make one pinvoke call into a
DLL I've created.  My Winforms app spawns the thread in the form load event
then go about it's business.  The problem is that my form appears to be
blocked while the background thread is running.

I am new in this managed world. I want to use some com interfaces in a
managed c++ project (specifically ICatRegister). I haven't found any
samples so far on how implement a COM interface in MC++. If you know
of any sites, please point me in the right direction. Or if you could

I am trying to create a C# business object component that can be used by a
VB6 application and a C# application.  I understand how to get the C#
component to work in COM however I keep getting this task message when I
reference it in my C# application.

I felt so lucky to find this discussion dated of Aug. 1st, because we are
having a similar problem. But as I tried a couple of times following the
steps carefully, only failed to work it out.( I modified the RCW wrapper's IL
file instead of the Windows Forms callable wrapper's IL ...

We have an ASP.NET application that uses COM objects through Interop. The
web application requires access to network and database resources and hence,
needs to impersonate a domain account. The problem is that even when it is
configured to run under a certain identity through Web ...

void foo(int& a, int& b)
how can this method be called from C#?
foo( ref a, ref b) doesnt work??
Thanks!

Does anyone know if there is a limit to the number of COM objects that can
be opened from a .NET application?  I know it may be an odd question, but I
am trying to track down a bug in some code using the Outlook interop objects
and this is the only thing I have left to think ok.

I am currently trying to re-write some VC++ code into C#
but are having problems finding a way to convert the C++
memcpy into C#. The following is part of the existing code:
static    int        search_count;