Explore COM Interoperability, also known as COM Interop. COM Interop is the means to which COM objects can be used in a .NET application and how .NET objects can be built to appear to be COM objects.
Latest COM Interop Articles
.NET Delegate Event Model vs COM Connection Points
Take a dip into how the Connection Points Event Handling mechanism in Classic COM Components can be used by .NET applications to receive event Notifications via the COM Interop.
Understanding Classic COM Interoperability w/.NET Apps
Aravind, who contributed mightily to the COM interoperability chapter of the Microsoft Press "Inside C#" book, writes this fantastic tutorial on how to use COM components from your .NET C# applications!
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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...
Input and Output with VB.NET 2010
The .NET runtime has everything you need to format your output and handle special characters. Both Visual Basic 2010 Express edition and Visual Studio 2010 help you with Intellisense if you can't remember the syntax. This article explores simple console input and output and shows you how to get it done.

Exception Handling with Task Parallel Library Based WCF Services
Jeffrey Juday demonstrates some techniques to bridge TPL and WCF exception handling models in the .NET Framework.