I'm using WTSOpenServer (P/Invoke in a C# application) to open a
handle to a specified terminal server which is Win2003 Server Domain
Controller.
       The function is returning NULL (or 0). I'm able to connect

I'm following the code here
http://support.microsoft.com/default.aspx?scid=kb;en-us;313788 but this
build error in VS Studio .NET:
'Application' is ambiguous in the namespace 'Outlook'

Is there an example showing how to do this.
We do not want a different project for each version of office, the
opportunity for inconsistencies between versions will be a problem in the
long run. Alternatively is there a way to build for different versions in

Is it alright to add a reference to shell32.dll and then use the objects in
that namespace, like: Shell32.FolderItem ?   (and then distribute the app to
various windows operating systems)
The reason I ask, I created an app that does this, and when I transfer the

It has arisen that I need to be able to talk from my application (C#) to
another application (unmanaged C++) that runs in a different thread, and vice
versa.  I have tried the COM interop, but I keep getting new copies of the
class instantiated, instead of talking to the one ...

I have written a class in c# and the assembly is registered as a com object.
When I use this assembly fron a .net windows app it works great, and if the
assembly throws an exception it is caught by the .net winform app.  When I
use this assembly from Excel, Excel will report an ...

Why is the IDE not letting me compile with an instance of an unmanaged type
library COM object?  It tells me that the type library needs a strong name?  
I did not think this was necessary for unmanaged type libraries...  How do I
fix this, since I cannot modify the type library ...

I am trying to use Word.Interop to print from ASP.NET. I can get it to
open the document but it just hangs on the PrintOut method. I have
tried a variety of combinations for the arguments (background = false
etc.) to no avail.

I have a VB.Net app that creates a Word.Application and Word.Document
object. It loads a Word document. However, in my cleanup code when the user
closes the window, I call the Quit method the Word.Application object and
set the objects to nothign. This works fine except if the ...

If we do late binding of office it appears we need to be able to do
something like
if (Office xp)
else if (office 2003)

I'm automating Word in my VB.NET Windows Forms application, and I'm hitting
a problem when the application is used with Word 2000.
To access the Word functionality, I created a reference to the Word 97 type
library (we support all versions from 97 onwards). I then have some code

Hello,
I'm trying to get a callback from a custom dll into a C# application. I get
the correct callback, with the right parameters but when it gets out of the
scope of the callback method I get an exception (with Microsoft Visual C++

I have problem with printing using below code to my printer  ,
anyone have any idea why this Code is not working .
I have WinXP  SP1
Public Class clsRawPrinterHelper

I wrote an API in C# which included a couple of overloaded methods:
   bool SendMessage(byte[] msg);
   bool SendMessage(byte[] msg, uint priority);
I've now been asked to add a COM wrapper. However COM doesn't

I need to marshal as string array in C# to an IntPtr.  Ist there any way to
do this.  for instance.
string[] str = { "this", "should", "have", "a", "pointer" };
IntPtr ptr = Marshal.AllocHGlobal(Marhsal.SizeOf(str.Length * str.Length);