Chapter 20 Dynamic-Link Libraries

The Microsoft Windows operating system provides special libraries, called dynamic-link libraries, (DLLs) that applications can use to share code and resources. In addition, you can create your own dynamic-link libraries to share code and resources among your applications.

This chapter covers the following topics:

What a dynamic-link library is

When to use a dynamic-link library

How to build a dynamic-link library

This chapter also explains how to build a sample library, SELECT.DLL, that illustrates the concepts this chapter covers.