We are in the process of porting a series of applications from VB6 to managed code. Our programs automate via COM a third party application. In order to minimize the impact of this effort we are porting small portions or components one at a time, so for a period we will be living ...

I'm sorry if this is a regular question, but I have found no answer
allthough I've been searching for an answer a long time now :)
I have declaration like this
[DllImport("winspool.drv",

Would someone help me figure out the signature for this struct [1]?
Thanks.
[1]
typedef struct _DATA

Is there a way to programatically intercept a Net Send command before the
Messenger Service popup appears?
I need to log the sender and the message text.
How does the Messenger Service works?

I need to ensure client machine has Microsoft.mshtml installed in the GAC.
And if not, deploy it.  My app is a Browser Helper Object and depends on
mshtml.
Initially, I thought I could take care of deploying mshtml within my install

I'm trying to create COM wrapper around a class that needs to use remoting
to perform its tasks, so that I can unload the AppDomain after it's done.
I've build the code to create the AppDomain and load the MarshalByRef object
into the other domain. All works well when running this ...

I am automating data entry and retriving from IE 6.0 SP1 using MSHTML.dll in
VB.net
but this works fine on a few machines and gives errors like object reference
not set

I have a VB.NET app which uses the msxml2.dll through Interop. The
application works fine on my development PC, but when installed on a user
machine, the program fails. When a new xml document is created, the
resulting error message says that the com object is "not valid" or is ...

I have used DSOFRAMER control in VB.NET for opening a word document in window form. But I am unable to do the same thing in ASP.NET. Can any one suggest me that how to open a word document in ASP.NET. Opening a word document in VB.NET & ASP.NET have any difference.

I am automating ms word 2003 through .Net office interop, and my app is
running on an unattended server.
If I try to open a password protected document, word pops up a dialog box
asking for the password. Obviously since the machine is unattended, there is

I have a union of structs that is returned from an unmanged C++ API.
Everything works fine until I add a specific type of struct
[EvEndBitInfo] as a member of the union. I know you can't mix value and
reference types in the same union, but I don't see the conflict because

I am writing COM interfaces for some C# classes so that they can be accessed
from JScript in Internet Explorer and need to write a collection that my
existing JScript can easily call.
I need to implement the length property, indexer [] and support the (for xx

Perhaps somebody can help me...
I'm trying to create COM interface and struct declarations in C# to access
parts of SAPI 4.0a.
The problem is that several structs look similar to this:

I'm trying to implement calls to an existing C-based DLL within a C# program.  It sounds straightforward enough, but any calls to the extern functions produce a NullReferenceException.
My code looks like this:
[DllImport( @"e:\jbhexe\sscam.dll", EntryPoint="BAM_calcs" )]
public ...

I've a com dll developed in VB6. I want to use this dll in a C# application.
I set the references to that control and created an instance of the class
set to a variable. But when I call a property in that class I get this error