I have a WinForm application that interacts with Outlook using interop.
Is there a way to tell if the 'new MSOutlook.Application()' call is actually
creating a new Outlook process, or it is using an existing Outlook process?
I want to terminate the Outlook process if it was spawned ...

I'm using a third party COM+ component inside C# (v 1.1.4322) application.
I installed the proxy on my machine, it were working fine.
But since yesterday, unexpectedly, the component stopped working.
Then exactly at the moment that i'm instantiating the component, I get an

Is there something about C++ / C# interop that initializes the threading
model to MTA so that OleInitialize will fail?
I have a mostly C++ app that calls a single C# class DLL. Only one source
file in the C++ app is compiled as managed (with /clr) – the single file in

Don't know if this is the right group, but my problem involves COM interop,
hence the post to this group.
We have a simple API which we use to send messages to a private MSMQ queue.
This API is C#, and it abstracts some of the details in using the

   I need to implement an COM interface in C#,
   there is one method whose IDL definition is
   HRESULT IsServerAvailable();
   which is supposed to return an hresult value to indicate the server

Hope you don't mind some questions from an interop newbie ('m not even sure
what questions to ask, but I want to learn) ...
I'm trying to access a COM object (the MS Agent server) in VB.Net 2005.  I
can create the object that represents the server, access its methods and

Hi there, i hope anybody can help or just give a hint...
using C#, i try to get an instance of a COM-class of the ShellAPI,
IShellIcon in this case pericular case, but is also reproduceable with
other Shell-interfaces :-) See the code...

I have a VB.net application which creates two threads (A&B). In Thread A I
create an instance of an object contained in a COM dll which performs a
lengthy search operation. In Thread B i create an instance of the same
object in the same COM dll but i perform a short search. As i'm ...

I am terribly sorry to disturb you all with this probably very simple
question... but I have searched the net for two hours, and there are a
lot of webpages out there with the words n it that I have tried
searching for :-/

I'm using some example code from
http://www.codeproject.com/csharp/DesktopSearch1.asp?df=100&forumid=190772&exp=0
&select=1153650
to parse PDF files for a DotLucene index.  It uses the query.dll com
object's LoadIFilter method to return the correct IFilter for the file

I have a stand alone c++ program that uses  SendMessage to communicate with
a stand alone C# program.
The c++ program looks like this
hWind has previously been determined;

I don't want to factor out my public functionality into interfaces,
suppress the ClassInterface, use ClassInterfaceType.None and
ComInterfaceType.InterfaceIsIUnknown as attributes just to find that
when I use OleView my pretend coclasses implement some mysterious

I have some troubles with using my managed C#.Net code in unmanaged C++
code through COM.
I have troubles with passing C# objects to C++ code.
- I have an interface IObjectPass and an object ObjectPass that

I have a Vb6 DLL Called from csharp which is a report object.
It can fetch data properly, however, when I run 2nd, 3rd, 4th time with
differenct report criteria, the fetched data still remained as same as the
first time. The object seems cannot refresh after first creation. It ...

I'm facing a strange behavior when trying to invoke and open a Word document
through my aspx (vb.net) file. I'm working with Office 2003 and I can see
that the requested document gets opened on the screen. Some of the Word's
icons on standard toolbar and other toolbars come up ...