Borland C++Builder™ 6 Developer’s Guide

Chapter 16. DLLs

by Paul Gustavson

IN THIS CHAPTER

• Creating a DLL Using C++Builder

• Packages Versus DLLs

• Shared Memory Support in a DLL

• Loading a DLL

• Using Microsoft Visual C++ DLLs with C++Builder

• Using C++Builder DLLs with Microsoft Visual C++

Windows provides a powerful mechanism for supporting application reuse at the binary level through Dynamic Link Libraries (DLLs). A DLL typically represents a collection of common utilized functions, capabilities, and/or resources packaged into a linkable module that can be leveraged by other programs. This linkable module typically has the extension .dll.

There are many practical uses for a DLL. For instance, suppose you have a common set of math models and calculations that need to be used within several applications ...