Chapter 26. Introducing Windows Workflow Foundation 4.0

A few years back, Microsoft shipped an API named Windows Workflow Foundation (WF) with the release of NET 3.0. This API allowed you to model, configure, monitor, and execute the workflows (which are used to model a business process) used internally by a given .NET program. The out-of-the-box functionality provided by the first release of WF was very a welcomed step in the right direction, as we were no longer required to manually develop complex infrastructure to support workflow-enabled applications.

As intriguing a technology as the first release of WF was, it was not without its warts. A number of developers felt the designer experience provided by Visual Studio 2008 was lackluster and ...

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