Fundamentals of
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About this Course

This course is intended for serious computer hobbyists, IT students, and IT professionals. You need Windows and Visual C++ installed.

The free online textbook for this course is Visual C++ 6 Unleashed . Read the Introduction to the book.

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Lesson 30. Creating COM Objects Using ATL

In this chapter, you'll look at creating custom COM objects using the Active Template Library (ATL). You'll learn how to use the Interface Definition Language (IDL) to define interfaces that go beyond the basic types supported by IDispatch. You'll examine how structures, enumerations, and unions can be passed over COM interfaces. And finally, you'll see an example of a COM client and server that pass structures and enumerations through a custom interface.

Reading Assignments

Read the following sections from your free online textbook:

Using IDL to Describe Custom COM Objects

A Custom COM Class Example

 

Learning Activities

1. Use this search box to refine and expand your understanding of new terms and concepts in the reading assignments.

2. Read the Summary of the lesson.

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