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書名： Microsoft Windows Workflow Foundation 4.0 Cookbook
作者名： Andrew Zhu
本章字?jǐn)?shù)： 277字
更新時(shí)間： 2021-04-13 17:00:31

Preface

WF4 is a process engine, as well as a visual program language, shipped along with Microsoft .NET Framework 4.0. Traditionally, when we design a long-running application, we break a large application into lots of small code blocks to address the business logic and use a database to store the intermediate data. With the growing complexity of logic, managing code blocks and authoring logic workflows becomes difficult. Now, with WF4, we can design and create distributed, long-running programs easily.

The aim of this book is to provide a step-by-step guide to help us start WF4 programming. Every recipe in this book is runnable.

What this book covers

Chapter 1, Workflow Program, provides recipes that will help us understand basic information about WF4 programming.

Chapter 2, Built-in Flow Control Activities, provides recipes that demonstrate the usage of the built-in control activities.

Chapter 3, Messaging and Transaction, provides recipes that demonstrate how to send and receive WCF messages in workflow. The second part of this chapter focuses on applying transactions in a workflow program.

Chapter 4, Manipulating Collections, demonstrates how to manipulate collection data in workflow programs with WF4 built-in activities.

Chapter 5, Custom Activities, demonstrates how to create our own custom activities; the most powerful unit of workflow.

Chapter 6, WF4 Extensions, demonstrates how to use the built-in extensions such as persistence and tracking, and also how to create our own extensions.

Chapter 7, Hosting Workflow Applications, mainly explains how to host workflow applications in IIS7. This chapter also provides recipes that demonstrate host workflow in ASP.NET, WPF, and Windows Forms.

Chapter 8, Custom Workflow Designer, helps us create our own WF4 workflow designer with visual tracking function.

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Microsoft Windows Workflow Foundation 4.0 Cookbook