Product Description: Every PC has a parallel port. Computer hobbyists use the parallel port to plug in all sorts of gadgets and devices to use in their own PC controlled projects. This guide is organized by device so that users can quickly find the type of device they are interested in and learn all relevant hardware and programming issues as well as suggested uses/projects...read more
Product Description: A programmer's guide to creating and using VCLs, Delphi's version of custom controls. VCLs (Visual Component Library objects) can literally be "drawn" onto an application as it is built--automatically producing and inserting code as they are placed...read more
9781558514577 | Pap/cdr edition (M & T Books, June 1, 1996), cover price $39.95 | About this edition: A programmer's guide to creating and using VCLs, Delphi's version of custom controls.