What is the best way to implement interception in .NET in the middle-tier?
I am looking for a mechanism to implement call interception to wrap
functionalities around code written by other developers. Two approaches I am
aware of are:

Win2k/Com+/VB.NET/SQL Server 2k/XP
Can anyone advise me on the following
We have a 3 tier application
1. Client runs vb.net forms on XP

I'm trying to write a COM Object in VB .NET and not having the best of luck.
I'm not 100% sure that I have the Code writen properly to expose the methods
in my object or if I'm just not registering the dll properly on the Target
machine.

I'm triying to access ServicedComponent via MSMQ:
IQComponent iQc =
(IQComponent)Marshal.BindToMoniker(@"queue:/new:MSMQTestServer.QComponent");
iQc.DisplayMessage (msg);

      We have a developed a site using Dotnet. We have asp.net pages
interacting with Vb.Net assemblies which are COM+ enabled. The whole
site works fine. We have several Nigthly batch processes which refer
the same assemblies. Even these batch process run perfectly fine. Now

I've written a COM Object that I cant call one of the methods from an ASP
Page.
I get the Following Error:
Microsoft VBScript runtime (0x800A01AE)

I'm trying to use COM interop to work with Tibco (kind of message bus).
Everything seems to work fine when it all happens in one thread (tibco
open -> create transport -> create message -> send message). But when I
attempt eg. send a message from another thread, send operation ...

I have a component class which uses a timer component to implement its
functionality. It works when I use it from a windows application, but
doesn't when used from a windows service component. The component
initializes, but I get no Timer.Tick events.

I'm using windows2k and .Net framework 1.1
I created this test component with the following code:
using System;
using System.EnterpriseServices;

Hi to all you guys which answer the same questions again and again.
I suggest that we should make a FAQ in form of a wiki
(http://wiki.org/wiki.cgi?WhatIsWiki). The good thing is, that it is very
easy to add / change / delete items in that faq when it is produced in form

I have a problem with a serviced component developped in C# : I compile the
component, I use the GACUtil.exe tool to put it into the global assembly
cache (my application is configured as a server application), then I deploy
the application into the COM+ using regsvcs.exe tool. All ...

i have a Remoting Server which uses ServicedComponents for Transactions. The
Remoting Server uses a SQL2k Database on another Windows 2003 Server. If i
call  a function on that Remote Server which needs Transaction Support i get
the following error Message:

The following problem puzzles me. I have a COM layer and corresponding
Interop assemblies. The goal is to use the COM objects for a ASP.NET
application. The interop dlls were generated by TlbImp.exe (Framework 1.1).
Importing the reference in VS.NET 2003 works fine, but if I make a ...

We are experiencing some real time delays (several seconds) when information
is transfered from a ES component to a GUI on the same computer....
The data type being sent is a DataSet that is approx 500K in size....
The class defination file starts like this:

How does garbage collection work in C# and VB.NET for data returned from COM
object?  For example, a COM object written in C++ returns a SAFEARRAY to C#
or VB.NET, will this SAFEARRAY (mapped to type[] in C# or VB.NET) be garbage
collected?  Similarily, if C# or VB.NET pass ...