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This chapter focuses on theWindows Communication Foundation (WCF) support that is provided by Windows Workflow Foundation (WF). This broad category of WCF support falls under the moniker of workflow services. Included with this support is the ability to declaratively author WCF services using WF as well as to invoke WCF services from within a workflow.

The chapter begins with a brief introduction of workflow services and WCF followed by an in-depth discussion of the WF classes and activities that you will use to declare and invoke WCF services. The centerpiece example of this chapter is an order processing service that simulates an ecommerce ...

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