I am working in a multi thread project. is it necessary to use
semaphore when doing reading operation. in my case I do loop to read
share memory data. I remember it should be fine to read without
protection.

I have a question about autonumbers in Access db. How are they assigned when
adding a new row to a table?
I have table that has an autonumber column (replication ID/System.Guid) and
a name column. When making a new row, I assign the name, then add the row to

i'm using serial port functionality provided by .net framework 2.0
using system.io.ports.
Is there anyway that i can set DTR/DSR handshaking?
Regards,

  I have been using a variety of generic collections and I really like
them, but I have just noticed something weird ...
If you have a generic Dictionary (or SortedList), you can retrieve elements
from the list by index (I think).

I am trying to sort a collection using the sorting functionality offered by
the ArrayList but seem to be getting inconsistent results.
--------------------------------------------------------------------------------
the InvoiceLineItemCollection sort code looks like this -

Can anyone decribe a good method to share Common classes between
projects while using source control?
I used to just point everything to one directory... but started using
SourceSafe lately, and that causes some issues, since when you update

Im starting to code C# and I tried to make a simple animation of a
ball moving in the screen(i will transform it later in a pong game).
My program worked fine, but the ball was blinking while moving. So, I
tried to put this lines of code into form constructor, cause I saw on

This is probably a really basic question, but I know someone will be
able to help me.  I have a single object A that contains a hash of
objects B. Each object B contains its own TCP client object containing
a connection to a server somewhere.

public class TestGenericEnumerator<T> :
             System.Collections.Generic.IEnumerable<T>
{
  public System.Collections.Generic.IEnumerator<T> GetEnumerator()

hello world.
i would like to implement a class with a timer, witch informs me every
second about it's tick. the code works already, but i would like to
change a thing (or more).

Does anyone know how library implementors are writing Adapters so that
the UpdateCommand, InsertCommand, SelectCommand and DeleteCommand
properties are returning their library Specific command classes?
I am currently writing my own library and would like to emulate. Help?

I am using form's ResizeEnd event to adjust some GUI staff on my form.
But when user maximizes the form, this event is not fired.  
Theoretically, I could use Resize or SizeChanged events to catch when form
is maximized (or normalized from maximized state) but then I loose all

How would I traverse through a namespace and determine all the object
types that implement an interface.
For instance in the namespace "Microsoft.SqlServer.Management.Smo"
Namespace I want to determine all the Classes/Types which implement

I am implementing the Session state persistence to the Sql server in an
application which all this while was using InProc session state. One of the
pre-requisite of Sql server mode session state is that all the objects put
into the session should be serializable. The problem is ...

I am not having success embedding carriage return and line feed characters
into a string and displaying them with an ASP.NET label.  Is anyone getting
either of the following to work ?
StringBuilder message = new StringBuilder();