See how you can determine which ports on a computer have an application listening.
Latest System Information Articles
.NET Tip: Are Your Computers Up and Running? Are You Sure?
add this functionality to your applications to determine if machines on the network are there!
Build a Windows Event Log Watcher Service Process to Export Event Log Entries as an RSS Feed
Build a Windows Event Log Watcher Service Process to Export Event Log Entries as an RSS feed using System.Diagnostics.EventLog, EntryWritten, and EnableRaisingEvents.
Garbage Collector
Any program uses resources. These resources can be files, database resources, network connections, memory buffers, objects, and so forth. Learn how to allocate memory for these resources.
Determining Whether a DLL or EXE Is a Managed Component
Learn how to check whether or not a component is a .NET managed component. Also, learn to get other information, such as dependent assemblies, from the metadata using Microsoft APIs and related COM interfaces.
.NET Tip: Searching System Event Logs for Valuable Info
System event logs can provide valuable information, but manually finding the worthwhile details in them can be difficult. Learn the easy, automated ways .NET provides for reading and searching event logs.
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.

Command Line Junkie
While porting a C# applications to something other than Windows used to be hard, today command line tools can make it super easy!

Globalization in Visual Basic
Learn how to use globalization in your Visual Basic .NET programs.

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.