I have a c dll which I need to link to from my C# code.  I just want
to warn you guys I am not very well versed in C or C++ so any help
would be greatly appreciated.
I wanted to know if the structure I have shown should be modeled as a

I'm developing a .Net windows application that implements a couple of OCX
components.
The application runs ok on win32, but when I installed it on a Win 64(xp)
machine the program craches.

I can't open a Word session in a C# session without getting an error
"This command is not available because no document is open". The
simplest code illustrating the problem is below:
using System;

I'm writing a C# control that needs to be able to notify the parent
application of certain events.  If the application were also using
the .NET platform I'd just use a delegate.  Unfortunately the
application is writen in unmanaged C++.

I am trying to make a custom download manager in c#. The code compile, I
register it with gacutil and regasm, but when I open IE and click on a link
to download, I get the standard IE download dialog. Is there something I'm
missing? I am new to COM, so any help would be ...

How can I pass a Windows Form handle to unmanaged DLL that expects HWND?  
Even if I have a wrapper calss between managed C# and unmanaged C++, IntPtr
does not by default cast to HWND. Should I force it? Can somebody give an
example?

Is there any way in .NET how to capture WIN API messages that belong
to different application? We have a Windows Form app written in .NET
2.0 and from our application we're running another application called
MapInfo using Interop. We need to be able to somehow figure out when

Am using the WebbrowserControl in Asp.net for my project. I have imported
the needed dll reference like mshtml, axshdocvw and interop etc. But while
accessing some frames(DOM object) using webbrowsercontrol, I got the
following Exception.

I try to find way call unsigned dll from signed one.
how can i do it ?
Thanks

I want to use forms in my Excel application-level add-in that have the
main Excel window set as their owner. Could someone who knows these
thins tell me, am I disposing the handle correctly?
   public partial class ExcelForm : Form

The return value from CoCreateInstance is COR_E_MEMBERACCESS. I've
looked around the 'net and on MSDN and can't find any info on this.
How would I approach figuring out what is causing that return value?
In other words, does that error code give me some kind of clue about

what is the quickest and least resource intensive way to convert a formatted
html page with html tables on webbrowser control to tab delimited columns?
my regex skill is poor so is my html and xml parsing.
An lazy man's quick and dirty way before .net to use excel 97 automation to

I'm using a CodeProject project in my application that shows how to embed
an editible IE control into a .NET window, and control it in various ways.
(I'm using it for mail merge.) However, the code requires a reference to
the Microsoft.mshtml assembly (a Primary Interpop Assembly ...

I was asked to go back to a project that required the Office 2003
Excel interop assemblies loaded and make some changes.  I had since
then performed a fresh OS install with Office 2007 and of course, VS
complained that it cannot find the Excel 2003 interop assembly files.

Hi friends
I am using 3rd party tool ASPPDFLib to creating pdf template
' create instance of the PDF manager
       Dim objPDF As IPdfManager