I've created a ".net service" mainly for database access.
The service consists of 2 threads, the first one uses Interop.SQLDMO
and the second one uses SQLClient and other (third-party) classes .
1. Which attribute should i use for my Main ? does it matter anyway ?

I am writing a C++ program that is using a C# control. It calls a
function that requires a handle to data in memory. If I set up the C#
function to take this parameter as a uint, it works fine. I would
rather set up the parameter as an IntPtr. But when I do that, I get an

I got small app. One of its functions is supposed to interact with user's
Office 2003 (don't care about earlier versions). This functionality works
just fine on dev machines if I reference PIA's in VS.2003. But I have no idea
if the end user will have Office 2003 installed (and ...

I'm attempting to make sense of all of the data from a pointer obtained
by calling ReadEventLog.  The pointer contains an EVENTLOGRECORD
structure, plus additional data tacked on to the end that can be of
variable length.

Hi can someone help me,
when I call this
NetUserEnum(null, 0, 2, out bufPtr, -1, out EntriesRead, out TotalEntries,
out Resume);

I need to interop from C# with a native method and pass an array of structs.
I have done it as follows:
[StructLayout(LayoutKind.Sequential,Pack=4)]
public struct ISD_STATION_STATE_TYPE

I've recently come accross a problem when trying to work with a
unmanaged dll compiled in C++ (Visual Studio 6.0). When calling the dll
from my C# application primitive data works okay for converting PLONG,
INT, BOOL to the right function signature. For example:

How do you
Pass a Delegate for Callback from C# to MFC C++
I am programming both ends.
Any thoughts?

I post this at the framework group, but then later I realize mine
probably a interop question, so I am reposting here.
I am using running my app at win2003 sp1 dotnet 1.1. My aspx app always
crash inside gc_heap::mark_object_simple. The crash stacks are similar

I have a rather strange problem with debugging a legacy ASP project
that uses COM Interops written in VB.NET.
The project when debugged on Win2000 allows JIT debugging of the CLR
code using the DefaultDomain in the 'Debug Processes' dialog. I also

Could anyone please help me out as to how we can save the excel workbook in
the database and
read it back.
I was able to convert the text files and image files into binary format and

I have a problem with interop as explained below:
I have a component build in VC++ 6.0.
I have built another component in C#. These two components follow
"Observer" pattern where VC++ component acts as the subject and C#

QUESTION:   How can my ASP page - which uses language="VBScript" - pass a
"System.Collections.ArrayList" object - as a parameter - to a C# method in
the middle-tier ???    
----- Is it possible at all?     - if not, what work-a-round is there?

I am using visual c#.net to do Mail Merge with Microsoft Word 2003. When the
word document has 18 or more merge fields, the merged document works fine,
but creates a blank page at the end.
Please let me know, if you have a solution for this issue.

Hey Everyone
In my current project, which is invloving making enhancements to an old
VB6 application, I need to do following things:
1. Call a .Net WinForm (present in a .net dll) from a VB6 MDI