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.
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.
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!
