Wiley Professional Windows Workflow Foundation 978-0-470-05386-7 ユーザーズマニュアル

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978-0-470-05386-7
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This chapter gives you an overview of how business applications were and are traditionally devel-
oped, as well as an introduction to workflow and the Windows Workflow Foundation platform.
A Little Background
Initially, computers were used at universities to solve mathematically complex problems. The use
of computing power was limited to the world of academia for a period of time before the world
realized computers could be applied to solve business problems. Thus began the era of business
applications.
If you are reading this book, you likely have some involvement in the world of business applica-
tions. Maybe you write .NET code, C++, Java, SQL, or other language to help businesses achieve
strategic or cost savings goals. If so, you play an important role in the success of modern business.
Traditionally, a business decides that a given project involving information technology is worth
doing because it will give the organization a competitive advantage, trim operating costs, or auto-
mate a complex manual process. Generally, the project’s software developers gather requirements
from the business, perform system and software design, and create the source code. Of course,
any software development process worth its salt is much more complicated than that, but you get
the idea.
The software development process has evolved greatly in the 50-plus years that businesses have
been using computers to help solve business processes. In the not-too-distant past, procedural
code was the de facto method for implementing software solutions. Over the past 10–15 years,
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