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Microsoft Windows Workflow Foundation 4.0 Cookbook by Andrew Zhu

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Chapter 5. Custom Activities

This Chapter will cover:

  • Creating an activity by inheriting the root activity
  • Creating a FileWriter activity
  • Creating a SendEmail activity
  • Creating an Input Message activity using Bookmark
  • Creating an Asynchronous HTTP Get activity
  • Creating a Composite activity
  • Creating an Activity Designer for the SendEmail activity
  • Creating an Activity Designer for the MySequence activity

Introduction

Activity is the essence of workflow; even the workflow itself is an Activity. WF4 provides some build-in activities that can be used directly in the workflow designer panel. But many times, we need to create our own activities—for example, an activity that can send e-mail to inform someone about finishing a task or any other important thing. ...

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