.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 .NET Nuts & Bolts Articles - Page 3
Dynamic Language Support in the .NET 4.0 Framework
The focus of this article will be on the dynamic language support (DLR) that will be released as a part of the upcoming 4.0 version of the .NET Framework.
Improved COM Interoperability in .NET 4.0
Learn about the COM Interoperability improvements coming with the .NET Framework 4.0 and how they will make your COM Interop such as Office applications much easier.
The Future of Managed Languages: C# and Visual Basic
Learn three industry trends that are influencing the next releases of C# and Visual Basic.
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.
Language Integrated Query (LINQ) to SQL
Discover another valuable part of the LINQ family, LINQ to SQL. LINQ to SQL that allows users to query and manipulate objects associated with relational database tables.
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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...

How to use Visual Studio 2012 to Download Images from Websites
Learn how to use a for loop to loop through all of the images found on a web page and save them via the DownloadFile method of the WebClient object.

SOLID Principles in C# - An Overview
SOLID principles form the base for writing good and clean object oriented code in C#. Learn about the S.O.L.I.D principles and explore C# coding samples for each.
