I've been really leveraging the ReadOnlyCollection class the last few weeks,
figuring that it works exactly as it's name describes.
Yesterday I was rudely reminded that reading the documentation for a class
is very important, and that making silly assumptions is also bad.

I've read in the MCTS examn 70-368 book (page 58) that you must implement an
override for the ToString() method for each struct you create. If you do
that, there won't be any boxing. Boxing occurs when you call virtual method
that a structure inhirits from system.object (for ...

I have the following rather simple code, where I want to extend the
Uri class in order to add a couple of handy methods.
public class Uri2 : Uri
{

Is possible to use the Visual Designer of WWF to replace my Flowchart
Editor/Container application? what i mean is that i just need to use
the Visual Designer to replace my MFC-based Flowchart Editor since i
already have a Container to contain the flowchart-object(s) in my

I have a fairly simple RegEx code below.
I am given a file name, (which I don't control) , and need to change a
folder name in it.
The code below is choking on the filename not being escaped.

I'm facing an unidentified problem related to .NET framework.  On event
viewer, the following message is logged:
Source: .NET Runtime 2.0 Error Reporting
Category: None

I am trying to implement RichText box control into DataGridView Control.
Would be greatful if anyone guides me how to implement it.
Thanks,
Kapil

I have an odd problem affecting some of my customer's systems.  I've
reduced it down to a simple, but bedeviling issue: Int32.Parse is
failing to convert the string "0", on some systems.
On those systems, the Framework throws a FormatException ("Input string

I'm new to reflection and would like to know if what I want to do is
possible.  So far I haven't seem much value to reflection (for my
needs) but that could be the result of not using it properly, or
perhaps my architecture is inherently flawed.

This statement (txtNewOdometer is a variable for an edit box):
lSN = System.Convert.ToInt64(txtNewOdometer.Text);
is causing an exception iff a zero ('0') is entered into the textbox.  But
only on one user's computer; works fine on everyone elses.

I use an IO.Filestream to write a single byte close to the end of a huge
file (120 GB) by setting the Position property and calling the WriteByte
method. This takes 40 minutes because all the bytes before the byte
to be written seems to be written. But I only want to write a ...

My Computer is Win2K3 R2, Code is:
using System;
using System.Net;
using System.Net.Sockets;

Hypothetical question:
A multi-threaded app has an object with a privately scoped collection (like
ArrayList) that is shared between threads. The model is one thread
creates/reads/writes/updates the collection, and all other threads read the

I want to retrofit a C# class library assembly into legacy MFC C++
applications. The application projects are VS2005 or VS2003 projects but
are unmanaged MFC C++ apps. I believe one approach is to enable COM
interoperability in the C# assembly and use it as a COM library in the

I have a web service that reads data from the database in a number of
asynchronous calls.
I have a callback for each call so that I can call EndInvoke so that I
can trap any errors.