.NET Developers may not recognize the terms invariance, covariance, and contravariance, it is likely they have been impacted by them and left wondering. This article will explain the concepts and the changes being introduced as part of .NET Framework 4.0.
Latest Tips & Tricks Articles
Creating Windows 7 Jump Lists With The API Code Pack and Visual Studio 2008
One of the most clearly visible new features in Windows 7 is the new taskbar. Read on to learn how you can use jump lists from your C# applications with help from the Windows API Code Pack.
Declaring Namespaces with Micro Focus for COBOL.NET
In this article we will see how to use the ILUSING directive to declare namespaces in your COBOL.NET programs using Micro Focus.
Introducing the Entity Framework
The Entity Framework provides a .NET class-based model of a data store, letting you query the model with LINQ, while the model do the background grunt work of contacting the data store to add, update, or delete data.
Using Team Build to Build Database Projects
Customize the Team Build project file to automatically deploy the database build script to a target database.
Install Dummy SSL certificate
If you need an SSL certificate in a testing environment only for testing purposes and not actual verification and authentication, then this article will show you how to create a dummy cert
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.

Services Made Easy
Discover how to easily create and add WIN32 Services in .NET. You’ll also discover the Topshelf toolkit.

Advanced XML Data Reading with VB.NET
Hannes du Preez shows you three different methods of reading and using XML documents productively in your VB.NET applications.

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.