DLL's for Idiots

[Clipper]

I know enough about DLL's to know that I may be missing something by not using them, but don't know enough about them to know when I should use them and when it sin't worth it, and despite the Lahey online doumentation, still am not sure how to get started on them. Can anyone refre me to a simple explanation of DLL's that would help me get started?

Thanks

Clipper

[Lahey Support]

A DLL is best used when you want to provide the same functionality to many programs. You can supply routines in a DLL that can be uses by many different programs. And with a DLL you only have one copy of the routine to distribute instead of a copy of the routine in each program you distribute.

For some simple examples of Fortran calling routines in a Fortran DLL see the following directory of your LF95 installation:
C:\Program Files\Lahey-Fujitsu Fortran\v7.1\Win32\Examples\Mix_Lang\LF95