If a dot net app calls unmanaged code can that unmanaged code corrupt the
dot net app.  I'm thinking about a lang using pointers.
If yes, are there any good debugging techniques to catch this?
Thanx

I have a C# app I'm writing that will be run on both Win32 and Win64
platforms. I'm limited to XP, 2003, Vista and beyond, and don't have to
support 9x/2000/NT.
This application calls other, external tools to do its work, and which

I using VS.NET 2005 Pro to develop win form application and I need include
an activex control to show information, this works good In developing time
but after deploy doesn't work it, I try to running in a clean machine with
framework 2.0 installed

I am having some trouble running a 2.0 assembly from an excel VBA macro
(unmanaged code).  Essentially, on some machines, excel (2000 and 2003)
defaults to using the 1.1 framework to load assemblies even though the
2.0 framework is installed.  I've seen this on Win 2000 and XP

Using Visual Studio 2005 with WinFx CTP february added to it.
Adding a reference to a dll file (type library).
When using OleView/File/View TypeLib I get something like:

I am trying to P/Invoke a DLL containing C-API having a C-function
pointer as callback.
I tried to write my P/Invoke (see below) but when I run the
application, I

I'm accessing a COM object from C#. The COM object is running in a separate
process.
From C# I can QI for IY, but any method on IY that I try to call fails with
InteropServices.COMException. The error states that the method returned

I'm facing a problem where I'm trying to use a new .NET app to access
some old VB6 ActiveX exes. The ActiveX exes implement a (base) COM dll
and use an exposed method from that COM dll to do some work. Here is
what I got from the OLE viewer

I have a program that I'm converting from Outlook 2000 to Outlook 2003.
It basically opens Outlook and iterates through a series of items in a
public folder.
I was able to run this as a scheduled task overnight.

Can someone tell me how to create an Excel Application object in C#?  I can
create a Word and PowerPoint Application object, but when I try to create one
for Excel, I get the build error:
"Cannot create an instance of the abstract class or interface 'interface'"

I have a data table that contains around 9000 rows,
And I am sending the data into pre-formated Excel sheet
and you can see my code below:
Dim myRow as Integer = 13

this my problem:
I have a struc, but i would like to know how can i do to convert it in byte.
This is my code:
[DllImport("winspool.drv", EntryPoint = "AddMonitor")]

From a c# application I can launch an application with the Process class.
Once that app is launched, can I then manipulate it?
Example, say I launch notepad with:
p=new Process();

hi. we are having problems with hung processes on a production box onto which
i cannot install any 3rd paty software (e.g. sysinternals). the hung process
will be one of many scheduled tasks all executing as svchost. i would like to
find out which of these tasks is hanging ...

when running the following code in the VS 2005 environment
(AxWebBrowser1 is a microsoft web browser):
Public Class Form1
   Dim WB As Microsoft.Office.Interop.Excel.Workbook