DLL Topics

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Using dynamic linking instead of static linking offers several advantages. DLLs save memory, reduce swapping, save disk space, upgrade easier, provide after-market support, provide a mechanism to extend the MFC library classes, support multi-language programs, and ease the creation of international versions.

This article family provides detailed information on programming DLLs.

What do you want to know more about?

• The differences between Win16 and Win32 DLLs

• Run-time library behavior

• Using implicit linking

• LoadLibrary and AfxLoadLibrary

• GetProcAddress

• Linker Support for the Delayed Loading of DLLs

• FreeLibrary and AfxFreeLibrary

• The search path used by Windows to locate a DLL

• Regular DLLs statically linked to MFC

• Regular DLLs dynamically linked to MFC

• Module States of a regular DLL dynamically linked to MFC

• Extension DLLs

• Using extension DLL,Database/OLE/Sockets in regular DLL

• Using __declspec(dllimport) and __declspec(dllexport)

• Importing and exporting inline functions

• Mutual imports

• Active Technology and DLLs

• Automation in a DLL

• Naming conventions for MFC DLLs

• Redistributable files

  • Categories of redistributable files

  • Version checking of redistributable files

  • MFC/other DLL files

  • ODBC files

• Calling DLL functions from Visual Basic applications