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.

Passing Data between Pages in ASP.NET
A quick look at the best methods for passing data from page to page in a .NET web application.

Creating a Gaussian Blur with VB.NET
Learn how to create a Gaussian Blur effect on images using your VB.NET program.
How to Create MapReduce Jobs for Hadoop Using C#
This article introduces you to Big Data, Apache Hadoop and MapReduce jobs. We will also learn how to create MapReduce jobs using C#.