Introduction

This book is about the development of distributed applications using PowerBuilder. PowerBuilder has evolved over the years from a pure client/server tool to a tool that supports and enhances the development experience.

The first foray into the distributed application development world was with an extension to PowerBuilder called Distributed PowerBuilder, or DPB. DPB consisted of a few additional keywords that allowed development of an application that would act as a server of components. The concepts were simple and the implementation allowed us, the developers, to build our first distributed application.

When the Internet started becoming known as a vehicle that would support commercial applications, PowerBuilder expanded its capabilities ...

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