This simple class CTBalloon which is derived from CWnd can be used to show the tray balloon similiar to the one that appears with MSN messenger.
Latest System Tray Articles
Tutorial - Write Icon in the Taskbar Window
This simple program code show how to write or remove an icon from the window taskbar and add a tool tip text. It also show how you can define a user message for trap events generate with mouse action (click on the icon).
Latest Developer Videos
More...Latest CodeGuru Developer Columns
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.

When to Use Static and Non-Static
When is it appropriate to use a static construct? Learn about it here.

Debugging in Visual Studio
Discover the world of debugging and debugging tools.
Working with State Machines in the .NET Framework
Arun Karthick introduces you to the state machine model and shows you how to create a simple working state machine sample using the .NET framework in the C# language.