whats the best way of firing events  in derived class?
expose a protected function in base class which fires the event?
Also
where should i declare the delegate? same file as the base class?

vs2005 C#
How many exceptions should I trap when reading a file ?
                                  let me clarify...
c is my pointer to the processing line

Is there a programmatic way of opening ports in Windows XP/Vista or at
worst turning on/off the windows firewall?   Which libraries should I be
looking in for the firewall class?
Thanks,

How can I prevent someone run a modified executable assembly (ie: modified
with an Hex editor) ??
I use .NET 2.0 and VS 2005.
Steph.

it seems a shame you can not do this:
if (blah) {
if (blob) break;
}//if

I am trying to convert MD array of ints to doubles;
I just want each x to be converted.
I am getting a Nullexception.
I was able to do this with a single dimention, but I am having

When I have a List<T> in C#, I think that the "list" (i.e.: dynamically
growing array) stores "pointers" to T instances, e.g. considering a
pseudo-equivalent C++ code, my understanding is that the C# version:
List< MyClass >

    Hope you can help me with this. I have the following inside the
App.config of a DLL:
   <cache disableMemoryCollection="false"
   disableExpiration="false"

The following code:
public class SubPoint2D : Point2D
{
  public int Code;

I have a datagrid view that I have made in the designer.  When
compiled and data is loaded into it, it looks great.
I have this on page 1 of a tab control.  Pages 2 through N are created
on the fly in a loop, the code for that loop is below, as with the

I have two tables in a database: invoices and invoiceItems.
I need to fetch them from a database and create a collection of
invoice entities, each of them associated whith its corresponding
invoice items.

If I am reading from a .csv file like so:
               da = new OleDbDataAdapter("SELECT * FROM " +
Path.GetFileName(strFile),csvConnection);
               da.Fill(ds);

I have a dataset that is binding to a combobox of customers. When I am on
consult mode I'd like to show all customers, and it is working correctly.
Now, when I am including an order I would like to show just the customers who
are active (it is a flag on the dataset). How can I do ...

How do I end a program while in Form_Load?  I tried both this.Close(),
and Application.Exit(), but neither will just end the program there
and then.  Instead, both allow Form_Load to continue.

I have external DLL with function:
extern "C" __declspec(dllexport)
void ByteTest(BYTE **arr, BYTE w, BYTE h)
{