What is the best approach to marshal structure declared like:
typedef struct tag_SCRIPT_CONTROL {
 DWORD uDefaultLanguage :16;
 DWORD fContextDigits :1;

using vb.net (2005) how can I determine if the windows screensaver option
for "on resume, display windows Welcome screen" is checked?
Thanks in advance,
Rob

I can use Marshal.GetActiveObject to attach to a running instance of some
application. I can then use Type.InvokeMember to control it.
My question is how to attach to a SPECFIC running instance of some
application when there may be two instances running.

I have the following problem if referencing a COM assembly from a C#
program.
The method GetImageFrame declared as
HRESULT GetImageFrame([in] long capDeviceIndex,  [out] ULONG *pSize,

I am trying to use AccessibleObjectFromWindow() and it keeps returning
E_FAIL.  This seems to be an ambiguous error message and i feel like i
have tried everything.  I used Spy++ to verify that i am giving it the
correct handle and several sources have told me that I do have the

Ok so I've been beating my brains out over this for two days now pouring
through the SDK, MSDN Documentation, and the Internet at large.
I'm not new to programming or .NET, but definately new to Interop and shell
programming, and am getting tripped up by all the marshaling, ...

Ive been wrapping GetWindowPlacement function of the Win32 API.
The function call succeeds and returns != 0 and the showCmd member looks
correct.
The problem is that all coordinates in the RECT (rcNormalPosition) are 0

I’m trying to get a fix length string from an unmanaged C dll.
This is an example of the method I must invoke:
  typedef bool __stdcall (*Add3_t)(char *, char *, char *);
  Add3_t Add3 = (Add3_t) GetProcAddress(hInstance, "Add3");

I register an assembly with regasm useally like
regasm L:/Common/BIN/ComWrapper.dll /tlb:L:/Common/BIN/ComWrapper.tlb
/codebase
This works excellent most time, but on a few machines there's

I want some information regarding /namespace switch. Is this the name of
Namespace of the source code where our COM dll is referenced for which we
will generate Interop.dll or is this some variable string or what?
Thanks in advance.

I am c# newbie coming from c++ background. I need to call a COM
object(which was written in VC++) from my c# program.
The c++ application(Let's call it abc) has an .ODL file that defines
the COM interface. It generates a tlb(abc.tlb) file. The application's

Can any of the classes that are part of the .NET Framework be accessed
directly from COM? I.e. are they ComVisible? Or do I need to develop a
custom .NET wrapper which is ComVisible and use that as the middleware
between my COM client and the .NET Framework class?

I would like my C# program to uninstall our old installation. Is it possible
from C# to do the same think that user does, i.e get the list of installed
applications (similar to Add/Remove programs), select an application, and
command it to uninstall?

I wish to provide a C++ DLL interface for non-framework clients to access a
C# DLL - is this possible?  I have had some limited success by using a pimpl
idiom to cross from unmanaged to managed - but anything more than a simple
message output yields an exception.  I cannot debug ...

Im trying to develop a C# application which interacts with a Fingerprint
scanner.
The appliaction is going to run in the background (and as trayicon).
When my applicatons catches an event from the finger scanner i want to paste