We have a existing C++ component ( DLL ) that exposes a function ( signature shown below ) called ?GetNextItem?.
   C++ Signature:
   HRESULT GetNextItem(LPSTR szFolderEntryID, LPSTR szMessageEntryID, LPSTR szXMLout, LPSTR szDateFrom, LPSTR szDateTo);
When we set a reference to ...

I am building an C# UserControl wich will be used in VB5 as ActiveX-
Control. This works fine; only one problem:
The "Font" Proptery is not shown in the VB5 designer !?
So what could I do ?

CLR profiler shows me that all my calls to Marshal.PtrToStructure(IntPtr,
Type) are allocating on heap. I tried to use overload with (IntPtr, object)
signature, but because my structure is value (?) calls are causing cordbg to
start.

   how to convert the following strut into safe struct in c#?
struct in C++:
typedef struct
{

I have written a ASP.NET (C#) front-end that connects to an unmanaged win32
c++ dll. A few problems occur:
-I am unable to use the IO stream (write to an event log) from the dll.
Although I can successfully use an IO stream when calling the dll from a

I've written a managed DLL in c#. To use it in my VB6 program, I've set the
"Register for COM interop" setting in the project properties to True.
The VB6 program contains a reference to the DLL, and everything works fine
on the development machine.

I wonder if Microsoft provides a Primary Interop Assembly for the COM (Visual Basic For Applications [msvbvm60.dll])?
I have EXE ActiveX that references the previous VBA file. When I use tlbimp to generate the Interop, it also creates an interop for msvbvm60 and calls it VBA.dll.
I ...

Is there a preferred way of monitoring activity in IE from a .NET based
application?  It used to be possible to register for URLEcho events with a
DDE server.  Since DDE isn't directly supported by .NET, it seems that there
should be some relatively straightforward way to do this, ...

The ADODB is exposed as .net component in .net framework. However I could
not find related .net component for ADOR. Is there a way to get or create
this for use with .net framework?
Thanks.

I am coding an Outlook 2003 plugin in C#.  It has become apparent that the
only way to get at the data that comprises an email attachment without
saving it to disk first is to use the MAPI.  The call to MAPIInitialize is
no problem and returns with an S_OK.  What I'm not quite sure ...

Can anybody tell a newbie how to create in a .NET language an Automation
Server, so that it's running instance could be accessed from VB with
GetObject(, "MyServer.Application") like an Office application. Maybe
any docs on this topic? Thanks

I am curoius about the different ways to create .NET components for use in COM (in particular, VB6).  What is the difference between using the IDE template to create a COM-compatible class (example below):
' BEGIN CODE
<ComClass(TestCOMClass.ClassId, TestCOMClass.InterfaceId, ...

Hi NG
How can I get the Window-Handle of the EditBox in a ComboBox?
Thomas Bock

I'm trying to handle when my app opens Excel and the user closes it instead
of my app.  Excel will remain in memory until a reboot.  To demonstrate,
create a CSharp WinForms app with one button.  Here is the button click
code:

I'm trying to access a COM object that only supports late binding.
This is how it works using VB6:
'Create an S_PLUS application object
Dim pApp As Object