QA | Sams Teach Yourself Visual C++.NET in 24 Hours

Q1:	Can ActiveX controls created with Visual C++ 6 be used within Visual Studio .NET?
A1:	Definitely. If you use VB .NET or C# .NET and Windows Forms, the process is rather trivial. However, because Visual C++ .NET does not contain some of the Rapid Application Design (RAD) tools the other .NET languages have, the process is a little more complicated.
Q2:	How can I inspect the globally unique identifiers (GUIDs), interface identifiers (IIDs), interfaces, and coclasses that are generated in the type library from an assembly manifest?
A2:	Use the OleView tool provided with Visual Studio .NET. Once you run the tool, select File, View Typelib from the main menu and navigate to your generated type library.
Q3:	The RegAsm tool creates a type library, but COM servers can only be DLLs or EXEs. What's going on?
A3:	This is where you can see the CCW firsthand. If open the Registry and look for the CLSID you found with OleView, you'll notice that the `InprocServer32` Registry value is `mscoree.dll`. This file will create a CCW for your .NET object that can be used by COM clients.

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