I'm using VC++.NET to create a class library.  The class library
contains managed classes that wrap legacy unmanaged classes by the
same name.
I use regasm to register the DLL for COM interop.

I succeeded at writing a Windows Forms app to write values into text fields
on a PDF, save the PDF and email or fax the PDF to customers, and then the
server team asked me to turn the program into a Windows Service.
I'm having a couple of problems related to removing windows.forms ...

I've been tasked with upgrading a VB 6 app to .NET. The current app runs
constantly and has a GUI interface, however, the GUI is not necessary so I am
planning to implement the functionality as a Windows Service.
Unfortunately, I need to use the facilities provided by a ...

I have a .NET (C#) component that via COM interop is called from C++ and VBA
so it can be called from the CAD packages AutoCAD and Microstation.
I now have a need to be able to call it from IntelliCad.
Is it possible to call a .NET component from a win32 Dll written in "C", and

Hi Everybody,
We have  C# component. which has been hosted in ATL composit control.
we are trying to caught event fired by C# component in ATL component.
we have implemented sink class derived from IDispEventImpl.

I have a VB.NET app that I want to integrate with a couple of other
applications that only support OLE interfaces. Is this likely to be possible
in VB.NET (I don’t want to have to use C++), and if so, how difficult is it?
If it can’t be done, what are the best options to suggest ...

I'm trying to replicate what Visual Studio does when it imports a COM
type library using tlbimp.exe. I'm having a hard time getting it just
right because I need to determine the name of the type library to use
as a namespace. In "COM Programming with Microsoft.NET" page 59

I am a PowerBuilder coder by nature, so please go easy on me.
I have a VB.NET DLL that I need to turn into a COM+ component.  I currently
use VS.NET 2003, and what I hope to achieve is that I can add a package in
Administrative Tools>Component Services and add the DLL as a ...

I am totally bollixed up on this one.
If I can marshal a delegate to a legacy DLL as a callback, why the hell can't I do something to a
delegate to assign it to a function pointer variable in a structure?!? It sure seems like the two
operations are very similar; why do I have to ...

is there any better way to copy block of unmanaged memory to other block of
unmanaged memory than looping through individual bytes or integers ?
Marshal.Copy only copies data between managed and unmanaged memory. Buffer
class also doesn't do the job.

I have made a migration from VB 6.0 to VB.NET and noticed a great speed
change when I access (from VB) to Excel Cells (same problem to write Visio
formulas from VB).
The same code takes 21 seconds in VB 6.0 and 54 seconds in VB.NET (see below)

I've encountered a very basic problem when dealing with User Defined Types (UDT) in a COM class.
If a COM method returns a UDT in a VARIANT, the calling .NET application receives an
exception "The specified record cannot be mapped to a managed value class.".
In order to reproduce ...

I have a vb6 function like this
Public Sub Init( Parent )
   Set mparent = Parent
End Sub

Hey all, I'm sure I'm in the wrong group - but I don't know which one - so
feel free to redirect - but also feel free to try to answer my question.
I am trying to find out how to get ASP.NET code to run on a Linux machine.  
I found this article:

(Type your message here)
Please point me in the right direction to figure this out.
Aging .ASP v6 needs to share the Session[] with a co-resident ASP.NET/C#.net assembly.
I have the ability to place the .NET directories within the .ASP stuff if needed.