Learn how to use a mailslot to broadcast information over a network.
Latest Messaging Articles
Creating a Chat System
Create a Chat System (Client and Server) to chat either on a LAN or the Internet.
Open Source Messenger for Any Version of Windows
Build an open source messenger that works with nearly any version of Windows.
Using MAPI to Send E-Mail
How to send customized e-mail messages and attachments programmatically using MAPI.
Peer to Peer Network Messenger
This program is a peer to peer messenger program which functions (and looks) like MSN messenger. since this program is peer to peer there is no hidden server code, it's all here!
Adding More Privacy to Users of Existing Messengers
SQLProxy is a program created for adding more privacy to users of existing messengers. In this first versions, only Yahoo! messenger protocol is supported.
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MFC Integration with the Windows Transactional File System (TxF)
The Transactional File System (TxF), which allows access to an NTFS file system to be conducted in a transacted manner through extensions to the Windows SDK API. MFC 10, has been extended to support TxF and related technologies. This support allows existing MFC applications to be easily extended to support kernel transactions.
.NET Framework: Collections and Generics
The original release of the .NET Framework included collections as .NET was introduced to the Microsoft programming world. The .NET Framework 2.0 introduced generics to complement the System.Collections namespace and provide a more efficient and well performing option. Read on to learn more...

Working with Hashtables in .NET
There are millions of Namespaces in the .NET Framework. Coming from a VB 6 background, I was accustomed to arrays and arrays only. Luckily all has changed with .NET, in that the .NET Framework supports Collections, which as its name implies, is a collection of objects that you can store in a certain manner.
Implementing a WCF Message Contract
WCF implementations normally take two different approaches; a Document style or an API style. Document style implementations are more flexible and often easier to extend and version. Also, Document style or rather, Message Contract service implementations, work well between systems with a shared message assembly. Jeffrey Juday guides you through architecting a WCF Message Contract implementation.