Two questions regarding Generics:
1. I'd like to constrain my Type parameter to be one of a preefined
group of types. For example:
   class Field<T> where T: Byte, Int, String, Array<byte> {}

This language C# is more primitive than I thought.  I just found out
that C#2.0 does not support polyline (see below), a very useful
feature for connecting points with a line automatically.  Only C# 3.0
supports this.  I'm curious, what did people do before version 3.0 was

I'd like to display an imagem in a picture box, but just a portion of
it
Example (please ignore the dots, I use them to keep the alignment)
+-----------------------------------------------+

linq on objects...
want to find if the object exist in its collection
if I have a  loop searching in the collection
          foreach (myClass r in collections)

I have the following problem:
I have a base Form with some general functionality and I want to create
several derived Forms from it.
The base Form contains a List - in particular a List of BindingSources -

I have created a Control that consist of a label and a textbox.I have called
this class ctlLabelTextbox.
public partial class ctlLabelTextbox : UserControl
{

Summary
Getting the error message Run time error 424 Object Required when attempting
to assign a value to a C# COM visible property of type object.
I have created a COM visible class as below

Here gret88 interview question website, which will be very helpful.
www.bestitquestions.com
To maintain this site please click on sponses links as well.

Does anyone know of a way to count the number of columnns in a
Linq2SQL result? (In this case ISingleResult).
I am building a method to get summary report data. I want to be able
to add a column to my stored procedure at some point, without amending

I need to validate document DataGridview rows. Rows can be different types:
invoice rows, order rows etc.
I created generic EventArgs type for this:
public class CellValidatedEventArgs<TRow> : EventArgs

Dear Members
I have a critical program written in c#. It runs every time the user
log on. But sometimes log-oned user forces my application process to
quit by “End Process” in task manager.

Just wondering if anybody here knows if any MVP or Microsoft employee reads
the messages posted to these newsgroups before they are published. Is the
content of messages posted here evaluated for appropriateness before the
messages are let into the public domain?

I have a windows form "BaseForm"  that contains a DataGridView that is
not bound to any datasources and a button.  Both of these controls
have a modifier of "Protected Internal" and none of the controls are
locked on this form.

I'm trying to get Named Pipes working. It works fine as long as the server
is up and going. Once I stop the server, the client doesn't notice the
server isn't there on the first message, which is lost but then it notices
that the pipe is down.

I Would like to add a new icon near the close/minimiez/maximize button in a
winfor
Did someone know how to do it ?
Thanks in advance